3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
25 citations
,
June 2011 in “International journal of pharmaceutics” Nanoparticles effectively deliver water-insoluble drugs to hair follicles, stimulating hair growth without irritating the skin.
The poly herbal gel effectively stimulated hair growth.
Modern shampoos use a mix of surfactants and other ingredients to clean, reduce irritation, and improve performance.
36 citations
,
July 2017 in “Journal of controlled release” A new method allows for controlled, long-lasting delivery of retinoic acid through the skin with fewer side effects.