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Honored Contributor
Posts: 12,065
Registered: ‎03-19-2010

 How does it compare to the Pep-40 Serum?  I'm on A/S for that together with the Pep-40 Cream.

Trusted Contributor
Posts: 1,267
Registered: ‎03-13-2010

Re: Skinn TS on Wed Feb 2

[ Edited ]

So this is an am/pm serum with retinol. If I use a different retinol (at night) would I want to use this?  If I use a Vit C (or any other acid) in the AM can I still use this on top? Is there anything i should not use with this?  I guess I am just trying to figure out if I would use this with everything I use now or INSTEAD of what I currently use...