Collagen that actually works. Trusted by pros since 2003.
Proto-col is a British brand on a mission: to help you age beautifully and recover faster—with clinically proven collagen that delivers visible results.
Formulated with hydrolysed Type I, II & III collagen peptides, their award-winning range is loved by skin experts, aesthetic clinics, and women who want firmer, more radiant skin.
From gels to capsules, each product is crafted for real, measurable results—so you don’t just feel the difference. You see it.