My steps: NIOD CAIS: Apply a few drops directly to a clean, dry face. The Ordinary Hyaluronic Acid: Pat gently onto the skin once the CAIS has absorbed. NIOD Re:Pigment: Layer this Amazon.com: Lovely Southern GHK Cu Peptide Serum 1.5% Copper Peptides Anti Aging Facial Serum for Fine Lines, Skin Elasticity, Made in USA, 1 Fl Oz : Beauty & Personal Care 7% GHK Cu Cosmetic Ingredient Accelerant Skin Biology 15 ml MorNatural Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000