Etlingera elatior, Persicaria odorata, Centella asiatica, Senna alata and Phyllanthus emblica were reviewed for their in vitro anti-collagenase activity its total phenolic contents. Plant herbs play a vital role to promote the production of collagen which is component skin. Different solvents during plant extraction various parts used determine properties content. Generally, assay Folin-Ciocalt...