Peptides

Manganese Tripeptide-1

INCI: MANGANESE TRIPEPTIDE-1

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Manganese Tripeptide-1

A peptide complex that may help address photodamage and uneven skin tone

Best For Skin Types

All, Mature

Addresses

Hyperpigmentation, Photodamage, Uneven skin tone

Usage Frequency

Daily

What Is Manganese Tripeptide-1?

Manganese Tripeptide-1 is a peptide—a short chain of amino acids—that contains the mineral manganese. Peptides are naturally occurring molecules found throughout the body, and when applied topically, they can signal skin cells to behave in particular ways. This ingredient functions as a skin conditioner.

In formulations, Manganese Tripeptide-1 is typically incorporated into serums and other leave-on products where it remains in contact with the skin.

How It Works

The manganese component of this peptide may play a role in regulating melanin production and distribution in the skin. Melanin is the pigment responsible for skin colour, and when it accumulates unevenly—such as in age spots or sun damage—it creates visible hyperpigmentation.

By delivering manganese directly to the skin in peptide form, the ingredient may help normalise how melanin is produced and distributed, thereby improving the appearance of discolouration over time.

Clinical Evidence & References

A 12-week study of individuals using a serum containing Manganese Tripeptide-1 twice daily found improvements in several signs of photodamage, with hyperpigmentation showing the most notable improvement. Overall photodamage severity moved from moderate to mild by the end of the study period.

The research suggests the ingredient is well tolerated with no significant irritation reported. However, evidence remains limited to a single study, and further research would help confirm efficacy and optimal usage patterns across different populations and skin types.

How to Use

Manganese Tripeptide-1 is typically found in serums designed for twice-daily use. Apply to clean skin before moisturiser. Consistent use over 8-12 weeks is likely necessary to see meaningful improvements in hyperpigmentation and photodamage, as with most skin-conditioning ingredients. It may be combined with other brightening or antioxidant ingredients, though introduce one new product at a time if your skin is sensitive.

Safety & Precautions

Generally well tolerated with no significant irritation reported in available research. Suitable for most skin types, though those with manganese sensitivity (rare) should avoid.

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