Tea Tree Oil Soap: The Ultimate Guide to a Natural Solution for Oily Skin

Natural skincare has gained massive popularity as people seek effective solutions without harsh chemicals. Tea tree oil soap leads this movement, offering proven results for multiple skin concerns.

Tea tree oil soap is a cleansing product containing essential oil from the Melaleuca alternifolia plant. This Australian native tree produces oil that’s been used for over 100 years to treat skin conditions naturally.

Quick facts

• Contains 40% terpinen-4-ol, the main active compound
• Kills 99.9% of acne-causing bacteria within 30 seconds
• Clinical studies show 40% reduction in acne lesions after 12 weeks
• Safe for daily use when properly diluted
• Works against bacteria, fungi, and viruses

You’ll discover the science-backed benefits of tea tree oil soap. We’ll cover usage for different skin types and specific conditions. You’ll learn what to look for when buying and understand safety guidelines completely.

The science-backed benefits of tea tree oil soap for skin

A natural antiseptic and antibacterial powerhouse

Tea tree oil contains over 100 compounds, with terpinen-4-ol being the most important. This compound makes up 30-48% of high-quality tea tree oil and provides most antimicrobial benefits.

Research from the University of Western Australia shows tea tree oil kills Cutibacterium acnes (formerly Propionibacterium acnes) within 30 seconds of contact. These bacteria cause 85% of acne breakouts by clogging pores and creating inflammation.

A 2017 study published in the International Journal of Antimicrobial Agents found 5% tea tree oil as effective as 5% benzoyl peroxide for mild to moderate acne. Participants using tea tree oil experienced 43.8% fewer inflammatory lesions after 12 weeks.

The soap penetrates pores up to 3mm deep. This reaches bacteria that regular cleansers miss. Daily use reduces bacterial load by 95% within two weeks of consistent application.

Soothing anti-inflammatory properties

Tea tree oil reduces inflammation through multiple pathways. It inhibits pro-inflammatory cytokines like TNF-alpha and IL-1β. These molecules trigger redness, swelling, and pain in irritated skin.

Clinical trials show topical tea tree oil reduces inflammation markers by 68% within 48 hours. This explains why users see calmer, less red skin quickly after starting treatment.

The oil also increases white blood cell activity at infection sites. This helps your immune system fight bacteria more effectively while preventing excessive inflammatory responses.

Studies indicate tea tree oil works as well as 1% hydrocortisone cream for reducing mild inflammation. The advantage is tea tree oil doesn’t thin skin with long-term use like steroids can.

Antifungal and antimicrobial action

Tea tree oil demonstrates broad-spectrum antimicrobial activity. Laboratory testing shows it kills:

• 27 different bacteria strains
• 14 fungal species including Candida albicans
• Several virus types including herpes simplex

The minimum inhibitory concentration (MIC) for most fungi is 0.25-2%. This means tea tree oil soap with 5-10% concentration provides powerful antifungal protection.

A randomized controlled trial found 10% tea tree oil cream cured athlete’s foot in 68% of participants after 4 weeks. The placebo group had only 6% cure rate.

Research published in the Journal of Applied Microbiology shows tea tree oil disrupts fungal cell membranes. This causes cell death within minutes of contact.

A natural deodorizer

Body odor occurs when bacteria break down proteins in sweat. Tea tree oil soap eliminates odor-causing bacteria including Staphylococcus epidermidis and Corynebacterium species.

Studies show tea tree oil reduces bacterial count on skin by 99.5% within one hour. This dramatic reduction means less bacterial breakdown of sweat compounds.

Unlike aluminum-based antiperspirants, tea tree oil soap doesn’t block pores. It removes the bacteria that create smell while allowing natural sweating processes.

Research indicates tea tree oil’s antimicrobial effects last 6-8 hours after application. This provides all-day odor protection with morning use.

Hair and scalp health benefits

Tea tree oil treats dandruff by targeting Malassezia furfur, the fungus responsible for 90% of dandruff cases. This yeast feeds on scalp oils and causes flaking, itching, and inflammation.

A double-blind study published in the Journal of the American Academy of Dermatology found 5% tea tree oil shampoo reduced dandruff by 41% after 4 weeks. Participants also reported 81% less itching.

The oil improves blood circulation to hair follicles. Better circulation delivers more nutrients to hair roots, promoting stronger, healthier growth.

Clinical observations show tea tree oil can help with seborrheic dermatitis, psoriasis, and folliculitis when used as directed by healthcare providers.

Who should use tea tree oil soap? A complete guide

Tea tree oil soap recommendations by skin type

For oily and acne-prone skin

Oily skin produces 2-3 times more sebum than normal skin. This excess oil mixes with dead skin cells, creating perfect conditions for bacterial growth. Tea tree oil soap addresses both issues simultaneously.

Use 8-10% concentration twice daily for best results. Start with once daily for the first week to avoid over-drying. Your skin needs time to adjust to increased cleansing.

Create a lather in your hands first. Apply to damp skin using gentle circular motions for 30-60 seconds. Focus on the T-zone where oil production is highest.

Follow with a light, non-comedogenic moisturizer. Even oily skin needs hydration. Skipping moisturizer can trigger increased oil production as your skin compensates.

For stubborn acne, use the “contact therapy” method. Leave lather on problem areas for 2-3 minutes before rinsing. This gives tea tree oil more time to penetrate and kill bacteria.

For combination skin

Combination skin requires a targeted approach. Your T-zone needs oil control while other areas may need gentler treatment. Tea tree oil soap works well when used strategically.

Apply soap primarily to oily areas – forehead, nose, and chin. Use a gentler cleanser on cheek areas if they’re normal or dry. This prevents over-treating less oily zones.

Start with 5-8% concentration once daily. Monitor how different areas of your face respond. You can increase frequency on oily zones while keeping cheeks to every other day.

Consider using tea tree oil soap in the evening only. Morning cleansing can be with a gentler product to avoid over-drying during the day.

For normal skin

Normal skin has balanced oil production and few sensitivities. Tea tree oil soap works as a deep-cleansing treatment without daily use being necessary.

Use 5-8% concentration 3-4 times per week. This provides antimicrobial benefits without disrupting your skin’s natural balance. Daily use isn’t needed for maintenance.

Perfect timing includes:

• After workouts to remove sweat and bacteria
• Following exposure to pollution or dirty environments
• During hormonal fluctuations when breakouts are more likely
• As a weekly deep-clean treatment

You can also use it as a spot treatment for occasional blemishes. Apply lather to the area and leave for 1-2 minutes before rinsing.

Special considerations for dry and sensitive skin

Dry and sensitive skin types need extra caution with tea tree oil soap. The oil can be too strong and worsen existing irritation or dryness.

Always perform a 48-hour patch test before full use. Apply diluted soap to your inner wrist. Check for redness, burning, or itching after 24 and 48 hours.

Look for formulations with added moisturizers:

• Shea butter provides deep hydration
• Oat extract soothes irritation
• Aloe vera adds anti-inflammatory benefits
• Goat milk offers gentle cleansing

Start with 2-5% concentration maximum. Use only 2-3 times per week initially. If your skin tolerates it well, you can gradually increase frequency.

Never use tea tree oil soap during active eczema flares or on broken skin. The oil can worsen inflammation and delay healing.

How to use tea tree oil soap effectively

Concentration guide for different conditions

Step-by-step facial cleansing method

Preparation phase:

1. Wash your hands thoroughly with regular soap
2. Remove all makeup using a gentle makeup remover
3. Tie back hair to keep it away from your face
4. Have a clean, soft towel ready

Cleansing process:

1. Wet your face with lukewarm water (not hot – this can irritate skin)
2. Work tea tree oil soap into a rich lather in your palms
3. Apply lather to face using gentle upward circular motions
4. Avoid the delicate eye area completely
5. Massage for 30-60 seconds, focusing on problem areas
6. Rinse thoroughly with cool water to close pores
7. Pat dry with a clean towel – never rub or pull skin

Post-cleansing care:

• Apply moisturizer while skin is still slightly damp
• Use sunscreen during the day (tea tree oil can increase sun sensitivity)
• Wait 5 minutes before applying other skincare products

Body washing techniques

General Body Use: Create a rich lather using a washcloth or natural loofah. This helps distribute the soap evenly and provides gentle exfoliation to remove dead skin cells.

Problem areas focus:

• Back and chest: Use a long-handled brush to reach all areas
• Underarms: Apply lather and let sit for 30 seconds before rinsing
• Feet: Pay special attention between toes where bacteria accumulate
• Groin area: Be gentle and rinse thoroughly to prevent irritation

Extended Contact Method: For stubborn body acne or fungal infections, apply lather and leave on skin for 2-3 minutes before rinsing. This allows deeper penetration and better antimicrobial action.

Scalp and hair treatment protocol

For dandruff control:

1. Wet hair thoroughly with warm water
2. Work soap into a lather and apply to scalp only
3. Massage gently for 2-3 minutes using fingertips (not nails)
4. Let lather sit for additional 2 minutes
5. Rinse completely – soap residue can cause irritation
6. Follow with conditioner on hair lengths only, avoiding scalp
7. Use 2-3 times per week maximum

Safety Note: Tea tree oil can be drying to hair. Always follow with a moisturizing conditioner and consider using a leave-in treatment.

Spot treatment applications

For individual pimples:

• Create a thick lather with minimal water
• Apply directly to the blemish
• Leave on for 2-3 minutes
• Rinse with cool water
• Can be done 2-3 times daily

For insect bites:

• Apply diluted soap solution (1 part soap to 2 parts water)
• Let dry naturally
• Reapply 2-3 times daily until swelling reduces

Choosing the best tea tree oil soap

Treatment comparison: tea tree oil soap vs alternatives

Brand comparison matrix

What to look for in quality tea tree oil soap

Essential quality indicators:

• Concentration clearly labeled: Look for products stating exact tea tree oil percentage
• Third-party testing: Certificates of analysis ensure purity and potency
• Therapeutic grade oil: This means it meets strict quality standards
• Proper packaging: Dark containers protect oil from light degradation
• Recent manufacture date: Tea tree oil loses potency over time

Beneficial additional ingredients:

• Glycerin: Maintains skin moisture during cleansing
• Coconut oil: Provides additional antimicrobial benefits
• Shea butter: Soothes and moisturizes to prevent over-drying
• Aloe vera: Reduces inflammation and adds healing properties
• Vitamin E: Acts as an antioxidant and preservative

Red flag ingredients to avoid:

• Sodium lauryl sulfate (SLS): Too harsh for daily use with tea tree oil
• Artificial fragrances: Can cause allergic reactions and mask quality issues
• Parabens: Potential hormone disruptors, unnecessary in soap
• Artificial colors: Serve no purpose and may irritate sensitive skin
• Triclosan: Antimicrobial agent that can disrupt hormone function

Bar soap vs liquid soap: complete comparison

Bar soap advantages:

• Higher tea tree oil concentrations possible (up to 20%)
• More economical – lasts longer per dollar spent
• Less packaging waste, more environmentally friendly
• No preservatives needed due to low water content
• Traditional manufacturing allows for higher quality control

Bar soap disadvantages:

• Can harbor bacteria if not stored properly
• Messier to use, especially in shower
• May dry out if exposed to air too long
• Harder to control amount used per application

Liquid soap advantages:

• More hygienic – no cross-contamination risk
• Easier to dispense and control amount
• Often includes moisturizing agents
• Convenient for travel and daily use
• Can be diluted for sensitive skin

Liquid soap disadvantages:

• Usually lower tea tree oil concentrations (2-8%)
• Higher cost per use
• Contains preservatives and stabilizers
• More packaging waste
• May contain unnecessary additives

Professional vs drugstore: quality differences

Professional/therapeutic products:

• Use pharmaceutical-grade tea tree oil
• Higher concentrations available (15-20%)
• Third-party testing for purity and potency
• Often formulated by dermatologists
• Price range: $20-50

Drugstore/commercial products:

• Variable quality tea tree oil
• Lower concentrations (2-10%)
• May contain fillers or synthetic fragrances
• Mass-produced with less quality control
• Price range: $3-15

When to choose professional grade:

• Severe acne or skin conditions
• Sensitive skin requiring gentle formulations
• Previous bad reactions to commercial products
• Dermatologist recommendation
• Long-term treatment plans

Clinical research and studies

Key clinical trials

Australian tea tree oil study (2016):

• 124 participants with mild to moderate acne
• 5% tea tree oil vs 5% benzoyl peroxide
• Results: 43.8% reduction in inflammatory lesions (tea tree oil) vs 45.2% (benzoyl peroxide)
• Side effects: 79% fewer side effects with tea tree oil
• Published in: International Journal of Antimicrobial Agents

Antifungal efficacy research (2018):

• Laboratory testing against 27 fungal strains
• Tea tree oil showed 99.9% kill rate within 30 minutes
• Minimum inhibitory concentration: 0.25-2% for most fungi
• Published in: Journal of Medical Microbiology

Dandruff treatment study (2019):

• 126 participants with seborrheic dermatitis
• 5% tea tree oil shampoo used twice weekly
• Results: 41% reduction in scaling, 81% reduction in itching
• No significant side effects reported
• Published in: Journal of the American Academy of Dermatology

Expert opinions and recommendations

Dr. Sarah Chen, Dermatologist: “Tea tree oil soap offers a natural alternative to harsh chemical treatments. The key is proper concentration and consistent use. I recommend starting with 5% concentration and gradually increasing based on skin tolerance.”

Clinical Dermatology Review (2020): “Tea tree oil demonstrates broad-spectrum antimicrobial activity with fewer side effects than traditional acne treatments. Its anti-inflammatory properties make it particularly suitable for sensitive skin types.”

Regulatory status and safety

FDA classification:

• Tea tree oil is classified as a cosmetic ingredient
• No prescription required for concentrations under 20%
• Must meet safety standards for topical use
• Labeling requirements include concentration disclosure

International standards:

• Australian Tea Tree Industry Association (ATTIA) sets quality standards
• ISO 4730 international standard for tea tree oil
• European Union approved for cosmetic use up to 1% in leave-on products

Potential side effects and complete safety guide

Safety guidelines by age group

Complete side effects profile

Common side effects (10-15% of users):

• Mild skin dryness or tightness
• Temporary redness after application
• Slight stinging sensation on first use
• Increased sun sensitivity

Uncommon side effects (2-5% of users):

• Moderate skin irritation or burning
• Allergic contact dermatitis
• Excessive dryness leading to peeling
• Increased acne initially (purging effect)

Rare but serious side effects (Less than 1%):

• Severe allergic reactions (anaphylaxis)
• Chemical burns from high concentrations
• Systemic toxicity if ingested
• Severe contact dermatitis requiring medical treatment

How to perform a comprehensive patch test

48-hour patch test protocol:

Day 1 – Initial application:

1. Choose a discreet test area (inner wrist or behind ear)
2. Clean the area with plain water and pat dry
3. Apply a small amount of diluted soap (half normal strength)
4. Cover with a small bandage if desired
5. Leave undisturbed for 24 hours

Day 2 – First assessment:

1. Remove bandage and examine the area
2. Look for redness, swelling, itching, or burning
3. If no reaction, reapply and wait another 24 hours
4. If reaction occurs, wash immediately and discontinue use

Day 3 – Final assessment:

1. Examine area for delayed reactions
2. No reaction = likely safe to use
3. Any reaction = do not use the product
4. Continue monitoring for 48 more hours

Extended patch test (for very sensitive skin):

• Follow same protocol but extend to 72-96 hours
• Test during different times of menstrual cycle (hormones affect sensitivity)
• Test on multiple body areas if planning full-body use

Drug interactions and contraindications

Medications that increase sensitivity:

• Retinoids (tretinoin, adapalene)
• Alpha hydroxy acids (glycolic acid, lactic acid)
• Beta hydroxy acids (salicylic acid)
• Benzoyl peroxide
• Prescription antibiotics (topical)

Medical conditions requiring caution:

• Active eczema or dermatitis
• Rosacea
• Psoriasis
• Open wounds or cuts
• Severe dry skin conditions

Absolute contraindications:

• Known allergy to tea tree oil or related plants
• Pregnancy (without doctor approval)
• Children under 2 years old
• Damaged or broken skin
• Eye area application

Emergency response guidelines

If severe reaction occurs:

1. Remove product immediately with cool water
2. Apply cold compress to reduce inflammation
3. Take antihistamine if available (Benadryl)
4. Seek medical attention if symptoms worsen
5. Save product packaging for medical reference

If accidental ingestion:

1. Do not induce vomiting
2. Rinse mouth with water
3. Drink milk or water to dilute
4. Call Poison Control: 1-800-222-1222
5. Seek immediate medical attention

Signs requiring emergency care:

• Difficulty breathing or swallowing
• Widespread rash or hives
• Severe swelling of face, lips, or tongue
• Dizziness or fainting
• Rapid heart rate

Troubleshooting common problems

Problem-solution guide

Issue: Skin gets worse initially

• Cause: Purging effect as tea tree oil brings deep impurities to surface
• Solution: Continue use for 4-6 weeks unless severe irritation occurs
• Timeline: Usually improves after 2-3 weeks
• When to stop: If new breakouts appear in areas that never had acne

Issue: Excessive dryness

• Cause: Concentration too high or too frequent use
• Solution: Reduce frequency to every other day, add moisturizer immediately after use
• Prevention: Start with lower concentration, gradually increase
• Recovery time: 1-2 weeks with proper moisturizing

Issue: Skin irritation/burning

• Cause: Allergic reaction or sensitivity to tea tree oil
• Solution: Discontinue use immediately, apply cool compress
• Prevention: Always patch test new products
• Medical attention: If symptoms persist more than 48 hours

Issue: No results after 6 weeks

• Cause: Concentration too low, inconsistent use, or resistant bacteria
• Solution: Increase concentration gradually, ensure twice-daily use
• Alternative: Consult dermatologist for combination therapy
• Timeline: Give new routine 4 weeks before making changes

Weekly progress timeline

Week 1-2: Adjustment period

• Expect: Possible initial dryness, minor irritation
• Normal: Slight purging of existing blackheads
• Action: Reduce frequency if irritation is severe
• Goals: Establish routine, monitor skin response

Week 3-4: Initial improvements

• Expect: Reduced oiliness, fewer new breakouts
• Normal: Some existing acne may still be healing
• Action: Can increase frequency if skin tolerates well
• Goals: Maintain consistency, add complementary products

Week 5-8: Significant results

• Expect: Clearer skin, reduced inflammation
• Normal: Occasional minor breakouts during hormonal changes
• Action: Fine-tune routine based on results
• Goals: Establish long-term maintenance plan

Week 9-12: Maintenance phase

• Expect: Stable, clear skin with minimal breakouts
• Normal: May need seasonal adjustments
• Action: Can reduce frequency to maintenance level
• Goals: Prevent future breakouts, maintain healthy skin

When to seek professional help

Dermatologist consultation recommended if:

• No improvement after 8 weeks of consistent use
• Severe or worsening acne
• Signs of bacterial resistance
• Persistent irritation or allergic reactions
• Skin conditions beyond simple acne

Emergency medical attention required if:

• Severe allergic reactions
• Signs of bacterial infection (fever, spreading redness)
• Chemical burns from concentrated products
• Systemic symptoms after topical use

Tea tree oil soap myths debunked

Common misconceptions

Myth 1: “Higher concentration is always better”

• Truth: Concentrations above 15% increase irritation risk without added benefits
• Reality: 5-10% concentration is optimal for most people
• Science: Studies show diminishing returns above 10% concentration

Myth 2: “Natural means it can’t cause harm”

• Truth: Tea tree oil can cause severe allergic reactions in sensitive individuals
• Reality: Natural products still require proper usage and precautions
• Evidence: 2-5% of people experience contact dermatitis from tea tree oil

Myth 3: “It works immediately”

• Truth: Visible results typically take 2-4 weeks with consistent use
• Reality: Skin cell turnover takes 28 days, so patience is required
• Timeline: Initial improvements may be seen in 1-2 weeks

Myth 4: “You can’t use it with other acne treatments”

• Truth: Tea tree oil can complement other treatments when used properly
• Reality: Combining treatments may require adjusted frequencies
• Caution: Some combinations increase irritation risk

Myth 5: “All tea tree oil soaps are the same”

• Truth: Quality varies significantly between brands and formulations
• Reality: Concentration, purity, and additional ingredients matter greatly
• Advice: Always check ingredient lists and concentrations

Marketing claims vs scientific evidence

Claim: “Cures acne permanently”

• Evidence: No treatment cures acne permanently
• Reality: Manages acne effectively with continued use
• Truth: Stopping treatment usually leads to acne return

Claim: “Safe for all skin types”

• Evidence: Not suitable for very sensitive or compromised skin
• Reality: Requires patch testing and gradual introduction
• Truth: Individual skin responses vary significantly

Claim: “Works as well as prescription medications”

• Evidence: Effective for mild to moderate acne, less so for severe cases
• Reality: May be sufficient for many people, but not all
• Truth: Severe acne often requires prescription treatment

Seasonal usage guide

Spring skincare adjustments

Changing needs:

• Increased humidity may reduce need for heavy moisturizers
• Allergens can increase skin sensitivity
• Hormonal changes may affect acne patterns

Tea tree oil soap adjustments:

• May need to increase frequency as oil production rises
• Watch for increased sensitivity due to environmental allergens
• Consider rotating with gentler cleansers on high-pollen days

Complementary products:

• Lighter moisturizers
• Increased sun protection
• Antihistamines if seasonal allergies affect skin

Summer skincare protocol

Environmental challenges:

• Increased sweating and bacterial growth
• Higher UV exposure
• Chlorine exposure from pools
• Air conditioning can dry skin

Optimal usage:

• Increase to twice daily if sweating heavily
• Focus on body areas prone to heat rash
• Use after swimming to remove chlorine
• May need stronger concentration for body acne

Special considerations:

• Always follow with sunscreen (tea tree oil increases photosensitivity)
• Rinse immediately after ocean swimming (salt can irritate)
• Keep soap in cool, dry place to prevent melting
• Consider travel-size options for vacations

Fall transition tips

Seasonal changes:

• Decreasing humidity affects skin moisture
• Back-to-school stress can trigger breakouts
• Seasonal depression may affect skin health

Routine adjustments:

• May need to reduce frequency as skin becomes drier
• Add more moisturizing ingredients to routine
• Monitor stress-related breakouts

Preparation for winter:

• Stock up on moisturizers
• Consider switching to gentler formulations
• Prepare skin for heating season

Winter skincare modifications

Environmental factors:

• Low humidity from heating systems
• Cold outdoor air strips moisture
• Less sun exposure affects vitamin D
• Indoor heating creates dry conditions

Modified usage:

• Reduce frequency to prevent over-drying
• Choose formulations with added moisturizers
• Focus on problem areas rather than full-face use
• May need to skip days when skin is particularly dry

Complementary winter care:

• Heavier moisturizers immediately after cleansing
• Humidifier in bedroom
• Gentle exfoliation to remove dry skin
• Vitamin D supplements (with doctor approval)

Travel considerations

TSA guidelines:

• Liquid soaps must be 3.4 oz or smaller
• Bar soaps have no size restrictions
• Pack in leak-proof containers

Climate adjustments:

• Tropical climates may require increased frequency
• Dry climates need extra moisturizing
• Hard water can affect soap performance
• Altitude changes may affect skin sensitivity

Travel tips:

• Bring patch-tested products only
• Pack extra moisturizer
• Consider single-use packets for short trips
• Research local water quality

Conclusion

Tea tree oil soap offers a natural, effective way to address many common skin concerns. Its antimicrobial and anti-inflammatory properties make it excellent for acne-prone skin, body odor, and minor fungal infections.

The key to success is choosing the right product for your skin type and using it correctly. Start slowly and pay attention to how your skin responds. With proper use, tea tree oil soap can be a valuable addition to your skincare routine.

Remember to patch test new products and consult a healthcare provider if you have serious skin conditions. When used wisely, tea tree oil soap provides a gentle yet powerful way to maintain healthy, clean skin naturally.

FAQs

Can I use tea tree oil soap every day?

Most people can use tea tree oil soap daily if they have oily or acne-prone skin. However, start with every other day to see how your skin responds. If you experience dryness or irritation, reduce frequency to 3-4 times per week.

Will tea tree oil soap help with back acne?

Yes, tea tree oil soap can be very effective for back acne. Use it daily in the shower, focusing on affected areas. The antimicrobial properties help kill acne-causing bacteria that regular soap might miss.

Is tea tree oil soap good for eczema?

Tea tree oil soap is generally not recommended for active eczema. It can be too drying and irritating for already inflamed skin. If you want to try it, consult a dermatologist first and always do a patch test.

How long does it take to see results?

Most people notice improvements within 2-4 weeks of regular use. Acne may initially get worse before it gets better as your skin adjusts. Be patient and consistent with your routine.

Can I make my own tea tree oil soap at home?

Making soap at home requires working with lye, which can be dangerous without proper knowledge and equipment. It’s safer to buy commercial tea tree oil soap from reputable manufacturers who ensure proper concentrations and safety standards.