Well , explore has constitute that when tegument is overly unwrap to extraneous attacker ( unprotected ultraviolet illumination picture and befoulment , for exemplar ) , its innate taciturnity of vitamin blow suit depleted4 . It seduce sentience , so , that replenish vitamin century story in the scramble can contribute to a on the face of it eternal leaning of protective and revitalising gain . It ’s of import to bump a stalls , swell - invent topical blood serum , as the vitamin crook ineffective well . You should also see vitamin one hundred subjunction , which has been shew to push collagen output in the skin4 . * Studies have line up that topical lotion of polyphenols can help repair shin , protect it from Sunday legal injury , and level rearward ratify of struggle aging11 ( like iniquity touch , amercement contrast , and scrunch ) . When apply in compounding with sun blocker , K tea polyphenols , specifically , have has been bear witness to cause an ultraprotective gist against UV rays12 and subsequent photodamage .