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research Contact allergy to essential oils cannot always be predicted from allergy to fragrance markers in the baseline series

23 citations , January 2016 in “Contact Dermatitis”

This study found that a small number of patients with essential oil allergies could be missed if only standard fragrance tests are used, suggesting the need for specific testing and careful product inspection.

research Shampoo Bar (SHABAR) SHABAR : Shampoo Bar from Moringa Leaves

February 2026 in “Journal Educational Research and Development | E-ISSN 3063-9158”

This study formulated and evaluated a Moringa oleifera-based shampoo bar, finding it has a safe pH, does not cause irritation, and is favored by 64% of respondents, with potential hair loss reduction benefits and environmental advantages over liquid shampoos.

research Uçucu Yağlar ve Aromaterapinin Dermokozmetik Alanındaki Uygulamaları

November 2025

In this review, researchers highlighted the use of essential oils, praised for their antimicrobial and anti-inflammatory effects, in treating a variety of conditions, and noted their emerging role in dermocosmetics for issues like hyperpigmentation, acne, and skin aging.

research An Overview of Herbal Ingredients with Anti-dandruff Activity in Shampoo Formulations

January 2023 in “International Journal of Research Publication and Reviews”

This review details the causes, symptoms, and treatments for dandruff, emphasizing herbal ingredients with anti-dandruff properties used in shampoos and exploring their antifungal and anti-inflammatory mechanisms. It highlights dandruff's exploitation by personal care companies due to the lack of medical interventions.

research Cosm-nutraceutical nanovesicles for acne treatment: Physicochemical characterization and exploratory clinical experimentation

68 citations , January 2020 in “International Journal of Pharmaceutics”

Vitamin C-based nanovesicles effectively treat acne.

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Learn

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learn Tea tree

What is tea tree oil, and why is it commonly included in topical products for scalp care and hair health? Tea tree oil is an essential oil with antimicrobial activity in lab studies, and one 4-week trial found a 5% shampoo reduced mild dandruff. It can cause skin allergy and is poisonous if swallowed.
How does tea tree oil interact with the scalp environment in products designed for irritation, dandruff, or mild hair shedding? In one 4-week trial, a 5% tea tree oil shampoo reduced mild to moderate dandruff; anti-inflammatory effects have been seen only in lab studies. Tea tree oil itself can irritate the skin or cause allergy.
Can tea tree–based topical products support hair growth indirectly by improving scalp conditions linked to hair loss? One 4-week trial found a 5% tea tree oil shampoo reduced mild dandruff, but no study has shown that tea tree products improve hair growth or hair loss. Tea tree oil can cause skin allergy.
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learn Neem Oil

Oil from the neem tree, used in traditional remedies

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Community Join

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community Castor oil home brews and regimens?

4 upvotes 8 years ago

Using castor oil, coconut oil, rosemary, tea tree oil, peppermint oil, and other essential oils for hair loss prevention. Emu oil and derma rollers are also discussed, with caution advised for coconut oil's comedogenic properties and taking castor oil orally.

community Essential hair oils and other methods to maximise hair growth

3 upvotes 11 months ago

The conversation is about maximizing hair growth using treatments like oral finasteride, topical minoxidil, caffeine and ketoconazole shampoos, biotin, omega-3, vitamin D supplements, microneedling, and various hair oils such as rosemary, castor, coconut, and peppermint. Users discuss the effectiveness of these methods and share personal experiences with hair oils for scalp health and hair maintenance.

community Effective Essential oils (And question about adding them to shampoo)

4 upvotes 7 years ago

Essential oils like lavender, peppermint, and rosemary may help with hair growth, similar to Minoxidil. Turmeric with piperin might be as effective as Finasteride without side effects.

community An Experiment Using Microneedling and Essential Oils & Vitamins

9 upvotes 5 years ago

A user is trying to reverse hair loss using vitamins E and D, jojoba oil, rosemary oil, peppermint oil, and microneedling, avoiding finasteride and minoxidil. They plan to use Alpecin shampoo and will provide updates on the effectiveness of this regimen.

community Exploring Bryan Johnson's Hair Routine In Detail

64 upvotes 2 years ago

Bryan Johnson uses a custom hair loss treatment that includes topical finasteride, minoxidil, azelaic acid, diclofenac, tea tree oil, rosemary oil, ginkgo biloba, biotin, and melatonin, which have shown varying degrees of effectiveness with minimal side effects. He also undergoes PRP and laser therapy, and has tried dutasteride mesotherapy.

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