Best For Skin Types
All, Dry, Mature
Addresses
Usage Frequency
Daily
What Is Dipeptide-15?
Dipeptide-15 is a synthetic peptide — a short chain of amino acids — designed to mimic natural protein structures found in skin. It functions as both a skin and hair conditioning agent, working to improve the texture and appearance of the outer layers of skin and hair fibre.
As a peptide, it belongs to a broader category of ingredients used in cosmetics to support the skin's structural integrity. Peptides are valued in skincare formulations because they can interact with the skin's surface to enhance hydration and condition, though the depth to which they penetrate varies.
How It Works
Dipeptide-15 works primarily as a surface-active conditioning agent. It deposits onto the skin and hair, forming a light film that helps to seal in moisture and improve the tactile quality of the area treated. This mechanism is most effective at the outermost layers of skin rather than deeper within the dermis.
The peptide structure allows it to bind to both water and oil-based components in formulations, making it a versatile conditioning agent that can work across different product types.
Clinical Evidence & References
Research on skin aging demonstrates that loss of dermal collagen and epidermal thinning are hallmarks of aged skin. Whilst peptides are often proposed as a way to support skin structure, specific clinical evidence for dipeptide-15's efficacy in stimulating collagen production or reversing signs of aging is limited in published literature.
The ingredient is primarily supported by its established conditioning properties — its ability to improve hydration and texture — rather than by evidence of deeper anti-aging effects. It may be most appropriate to view dipeptide-15 as a supportive conditioning agent rather than a treatment targeting fundamental skin changes.
How to Use
Dipeptide-15 is typically found in serums, moisturisers, and hair care products. It works well in hydrating formulations and can be used daily as part of a regular skincare or haircare routine. There is no need to layer it separately or use it in isolation — it performs its conditioning role within the overall formula.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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Dipeptide Diaminobutyroyl Benzylamide Diacetate Oligopeptide-133
A peptide ingredient designed to support skin firmness and reduce the appearance of expression lines
Dipeptide-1
A peptide ingredient studied for its potential to calm and condition sensitive skin
Dipeptide-12
A peptide that may support skin renewal and reduce visible signs of ageing
Dipeptide-2
A synthetic peptide made by combining tryptophan and valine. May be helpful for alleviating undereye puffiness.
Dipeptide-4
Anti-oedema peptide for reducing puffiness
Dipeptide-5
A peptide fragment that supports skin conditioning and structural integrity
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