128 citations
,
January 2001 in “American Journal of Clinical Dermatology” Coal tar shampoos, salicylic acid, and topical corticosteroids are effective for scalp psoriasis, with Vitamin D3 analogues also showing benefits; severe cases may require stronger medication with more risks.
66 citations
,
January 1987 in “Journal of Investigative Dermatology” Coal tar shampoo increases enzyme activity in hair follicles, enhancing carcinogen binding to DNA.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
August 2016 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” The program improved scalp health and promoted hair growth.
December 2022 in “The Journal of Multidisciplinary Research” The polyherbal hair gel with guava leaves, amla, and aloe is effective for scalp health and treating fungal infections.
1 citations
,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
January 2024 in “Advances in health sciences research/Advances in Health Sciences Research” November 2022 in “Journal of Investigative Dermatology” Targeting inflammation can improve scalp and hair health.
10 citations
,
February 2018 in “Royal Society Open Science” Modified wheat protein in shampoo repairs and smooths damaged hair effectively.
35 citations
,
November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
September 2019 in “University of the Arts London Research Online (University of the Arts London)” Plant oils and polymers can help protect African hair from damage during styling.
1 citations
,
November 1981 in “PubMed” No clear conclusion available.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
122 citations
,
October 2010 in “Clinica Chimica Acta” Washing hair with water or shampoo lowers cortisol levels in hair.
The TrichoConcept™ line is effective for personalized hair loss treatments.
October 2018 in “Focus on surfactants”
November 2024 in “International Journal of Cosmetic Science” Haircare products with a pH between 5 and 7 are best for maintaining healthy hair.
2 citations
,
January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
1 citations
,
December 1965 in “PubMed” February 2013 in “Journal of the American Academy of Dermatology” The zinc pyrithione hair care system improves scalp hydration and reduces water loss.
2 citations
,
April 2015 in “Dermatology practical & conceptual” Daily use of antifungal shampoo can hide symptoms and make it hard to diagnose fungal scalp infections.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
March 2023 in “Jurnal Ilmiah Medicamento” The hair tonic from Usada Bali plants increased hair growth without irritating the skin.
January 2025 in “Current Drug Delivery” TrichoSol™ and TrichoFoam™ are stable and effective for personalized alopecia treatments.
26 citations
,
December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
Light fraction patchouli oil at 1.5% effectively treats dandruff and promotes hair growth.
September 2025 in “Biochemical and Cellular Archives/Biochemical and cellular archives” Herbal hair care products are effective, safe, and eco-friendly alternatives to synthetic ones.