Alto Defense Serum lock Tetrapeptide-17 is a peptide sequence

Tetrapeptide-17 is a peptide sequence known for its ability to reduce the visibility of wrinkles

This lightweight sunscreen provides UVA & UVB protection and antioxidant support

activating controlled exfoliation

but also enhances the overall appearance of the complexion while providing a calming and hydrating effect

revitalized

Alto Defense Serum lock Tetrapeptide-17 is a peptide sequenceScientifically advanced, award winning daily antioxidant protection. Why You'll Love It: In addition to daily antioxidant protection, Alto Defense Serum improves the appearance of uneven skin tone and redness. All skinbetter science products are dermatologist tested, paraben free, fragrance free, dye free, and cruelty free.