Peter Thomas Roth Peptide 21 Wrinkle Resist Peter Thomas Roth Skincare Peter Thomas Roth Peptide 2 Wrinkle Peter Thomas Roth Peptide 21 Lift & Firm Moisturizer Skinmedix Peptide 21 Wrinkle Resist Moisturizer Peter Thomas Roth Sephora. Packed with 21 Peptides and Neuropeptides and 2 Gamma Proteins, this wrinkle fighting moisturizer helps skin appear noticeably younger and delivers lightweight yet intense hydration. Cutting edge Peptides and Neuropeptides help the skin appear lifted and firm. Gamma Proteins harness the power of Asian natto gum, a breakthrough ingredient that helps improve the look of elasticity, radiance, uneven skin tone and texture. Phytofleur Cactus, Squalane and a Hyaluronic Acid Complex hydrate while Trehalose helps protect against future moisture loss.