taking collagen is not about age. u can take them at 18! i started to take collagen supplements when i was 19, now i'm 23. it work wonders to ur skin. dun hv to put body moisturiser also, the skin is smooth and silky!
if u r still young and want to take it....it will make ur skin more glowing and chewy~
i'm taking swiss collagen (with l-gluthatione)....available at any main pharmacy. go n check it out