Aldenine: The Complete Guide

Written by the Osmotics team · Reviewed by Elena Hart, MD, dermatologist · Last updated

The short answer

Aldenine (copper tripeptide-1 complex) is an antioxidant peptide that helps protect and support collagen for firmer, healthier-looking skin.

Quick answer: Aldenine® is a tripeptide-and-botanical complex developed to defend skin against two major drivers of ageing — free radicals and glycation (sugar damage) — while supporting healthy collagen. It helps protect the skin’s structure so it stays firmer and more resilient over time.

What is Aldenine®?

Aldenine® is a trademarked active combining a tripeptide with plant proteins (soy and wheat). Its focus is protection: shielding the collagen and cells that keep skin firm from the everyday damage that degrades them, rather than only stimulating renewal.

How Aldenine® works

It targets two of the most damaging processes in skin ageing. Free radicals — unstable molecules from UV and pollution — attack skin’s proteins and cells; Aldenine® provides antioxidant defence against them. Glycation — where excess sugar molecules bind to collagen and make it stiff, brittle and yellowed (“sugar sag”) — is another; Aldenine® is formulated to help protect collagen from this, and to support healthy new collagen. The combined effect is skin that stays firmer, more even and more resilient.

What does Aldenine® do for skin?

  • Antioxidant defence — helps protect against free-radical damage.
  • Anti-glycation support — helps shield collagen from stiffening sugar damage.
  • Supports collagen — helps skin stay firm and resilient.

How to use Aldenine®

Aldenine® comes formulated into protective anti-ageing treatments and is gentle enough for daily use. It layers well with copper peptides, vitamin C and other antioxidants — protection-focused actives complement renewal-focused ones nicely.

Is Aldenine® safe?

As a gentle peptide-and-botanical active it’s generally well tolerated; those with soy or wheat sensitivities should check the full ingredient list. This guide is general education, not medical advice; individual results vary.

Explore our other protective actives in the Ingredient Glossary, or find your match with the skin quiz.

Frequently asked questions

What is Aldenine?

A trademarked tripeptide-and-botanical complex developed to defend skin against free radicals and glycation while supporting healthy collagen.

What is glycation?

A process where excess sugar binds to collagen, making it stiff, brittle and yellowed — sometimes called “sugar sag.” Aldenine helps protect collagen from it.

Can I layer Aldenine with other actives?

Yes — it pairs well with copper peptides, vitamin C and other antioxidants.

Is Aldenine safe for sensitive skin?

Generally yes; those with soy or wheat sensitivities should check the full ingredient list first.

How long does Aldenine take to work?

Protective benefits are ongoing with daily use; visible firmness and evenness build over several weeks. Individual results vary.

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References

  1. Maquart FX, Pickart L, Laurent M, et al. Stimulation of collagen synthesis in fibroblast cultures by the tripeptide–copper complex glycyl-L-histidyl-L-lysine-Cu2+. FEBS Letters. 1988;238(2):343–346.
  2. Pickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. International Journal of Molecular Sciences. 2018;19(7):1987.

Specific figures cited for Aldenine® are drawn from the ingredient manufacturer's own studies; the references above cover the copper-peptide class and mechanism.

This guide describes the appearance of skin and is general education, not medical advice; individual results may vary.