January 1997 in “Elsevier eBooks” The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
5 citations,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
2 citations,
January 2015 in “Elsevier eBooks” The document says biodegradable cosmetics and packaging are better for the environment and user experience.
January 2022 in “International journal of pharmaceutical sciences review and research” Herbal cosmetics are becoming more popular because they are safer, have fewer side effects, and offer health benefits.