September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
Collagen, curcumin, and glutathione can improve skin health in aging women with low estrogen.
16 citations
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March 2008 in “International journal of pharmaceutics” Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.
Guaraná extract effectively reduces oiliness in skin and hair without harming skin health.
137 citations
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January 2000 in “Skin Pharmacology and Physiology” The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.