February 2025 in “ACS Applied Materials & Interfaces” A new treatment using valproic acid helps regrow hair safely.
54 citations
,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
September 2025 in “JID Innovations” Squaric acid dibutylester promotes hair growth by activating immune cells, especially macrophages.
January 2009 in “Fashion business” Ayurvedic oils effectively reduce scalp bacteria and improve hair health.
February 2024 in “Biomedical journal of scientific & technical research” Inositol and phytic acid together increase hair growth and density.
January 2005 in “FJ. Fragrance journal”
January 1989 in “Skin research” The hair regrowth tonic effectively increased hair count and was safe for treating male pattern baldness.
95 citations
,
June 2002 in “The Journal of Dermatology” Onion juice is more effective than tap water for hair re-growth in patchy alopecia areata.
2 citations
,
March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
January 1978 in “Yukagaku” Zinc pyrithione in shampoo or rinse reduces dandruff and itching.
Onion peel oil may help hair growth and treat hair loss.
September 2020 in “Pharmauho/Pharmauho : Jurnal Farmasi, Sains dan Kesehatan” The hair tonics with galangal and Aloe vera extracts were stable and met standards.
August 2025 in “International Journal of Advanced Research in Science Communication and Technology” Herbal shampoo cleans and improves hair without harmful effects.
April 2017 in “Journal of Investigative Dermatology” Using a stimulating cream shampoo before applying Minoxidil increases its penetration into hair follicles and scalp.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
11 citations
,
April 2015 in “International Journal of Cosmetic Science” Adenosine helps grow thicker hair in Japanese men with hair loss.
November 2025 in “Caderno Pedagógico” Cedar and castor oils with high frequency can help hair growth in androgenetic alopecia.
November 2025 in “Cosmetics” POLEVAN® improves hair shine, moisturizes the scalp, and maintains foam quality in shampoos.
3 citations
,
November 2019 in “Cosmetics” Shampoo with Inula Helenium and Caesalpinia Sappan Bark extracts promotes hair growth and prevents hair loss in androgenetic alopecia patients.
4 citations
,
July 2015 in “Clinical, cosmetic and investigational dermatology” The shampoo is very effective and safe for use after hair transplants.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
The treatment with Bakuchiol and Neem oil significantly improved hair growth and was well-received by most participants.
Long bean leaf juice significantly promotes hair growth.
December 2023 in “International Journal of Newgen Research in Pharmacy & Healthcare” Both herbal and synthetic shampoos in India are generally safe and effective.
June 2022 in “International Journal for Research in Applied Science and Engineering Technology” The herbal shampoo made from Piper Betel and Psidium Guajava leaves was safe, promoted hair growth, and reduced hair fall.
10 citations
,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
30 citations
,
February 1996 in “Journal of Investigative Dermatology”
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural shampoo cleans hair well and needs more refinement for better quality.