3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
4 citations,
November 2017 in “Journal of Cosmetic Dermatology” Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
1 citations,
November 2021 in “Jurnal Farmasi Indonesia” Secang wood extract hair tonic promotes hair growth and meets quality standards.
July 2019 in “Iconic Research And Engineering Journals” The shampoo bar with Aloe vera and cinnamon oil improved hair health and protected against fungi without causing skin irritation.
January 2020 in “Journal of Pharmacognosy and Phytochemistry” The VCO-based herbal hair tonic is effective, safe for hair loss treatment, and can be mass-produced.