Is there any good research which defines what anti-ageing cosmetics are the best?

Can you really add collagen back to your skin?Is there any good research which defines what anti-ageing cosmetics are the best?
You can't add collagen back to your skin in the form of a cream. The collagen molecule is too big to fit into your epidermis. It's like trying to stuff a yak into your mailbox.





However, there are creams that can stimulate collagen production.


Creams with retinol, or Retin A (which is prescription) CAN.


You can use over the counter, or go your dermatologist for it. Make sure to wear sunscreen with spf 30 or higher during the day, because it's the SUN and pollution which breaks down your collagen, thus leading to aging and sagging skin.





You could try Estee Lauder Advanced Night Repair, in the little brown bottle. That's really good.





Good sunscreens (which you should wear everyday, year round, to protect your skin from the sun and aging):


Lancome, Aveeno, L'oreal, Ombrelle, ROC, La Roche Posay, Banana Boat, Oil of Olay, Neutrogena, Clinique, Estee Lauder.Is there any good research which defines what anti-ageing cosmetics are the best?
Is there any research that proves that any of those products do anything other than soothe peoples vanity