SkinBetter Alto Defense Serum is a daily antioxidant powerhouse that helps shield skin from the visible effects of environmental stress. Packed with a proprietary blend of vitamins C and E plus 17 additional antioxidants, it works to defend...
Reviews
5.0
6 ratings
5
4
3
2
1
Alto Defense Serum
This is one of the best Vitamin C serums that I love to use. It's silky and non-sticky and makes my face smooth. I use this alternately with Skinceutical Vitamin C.
P
Paula · July 2, 2025
New favorite
Love the texture of this product! Feels good on the skin and is now my new favorite! No other vitamin c product compares
J
Jennifer · February 9, 2025
This is the only vitamin C that works for my sensitive skin
