Peptides
Acetyl Tetrapeptide-11
A skin-firming peptide that helps support epidermal structure and elasticity for smoother, firmer and more radiant-looking skin.
Key Benefits
- Supports firmer-looking skin
- Helps improve the look of elasticity
- Promotes a smoother surface appearance
- Complements age-supportive formulas
- Supports an even, refined-looking texture
How It Works
Ingredient Details
INCI Name: Acetyl Tetrapeptide-11
Ingredient Type: Synthetic signal peptide
Best For
Mature skin · Skin showing loss of firmness · Fine lines and textural unevenness · Preventive age-support routines
What It Is
What It Does
Acetyl Tetrapeptide-11 FAQs
Common questions about this ingredient in skincare.
What is Acetyl Tetrapeptide-11?
It is a synthetic four-amino-acid signaling peptide used in cosmetic formulas designed to support smoother, firmer and more resilient-looking skin.
How does it differ from collagen?
It is not collagen and does not replace collagen. It is a small signaling ingredient formulated to support pathways associated with skin structure and appearance.
Does it penetrate the skin?
Peptides generally have limited passive penetration through intact skin. Delivery depends heavily on the concentration, vehicle and formulation technology.
Can it be used with retinol or vitamin C?
It is generally compatible with both. If the overall routine contains strong actives, introduce products gradually to minimize irritation.
Is it suitable for sensitive skin?
Peptides are often well tolerated, but sensitivity depends on the complete formula. Patch-test first, especially if the product contains fragrance or other active ingredients.
How long does it take to see results?
Cosmetic firming and smoothing changes, if they occur, usually require consistent use for several weeks. Immediate softness is more likely to come from the formula’s moisturizers and emollients.
Shop the ingredient
Products Featuring Acetyl Tetrapeptide-11
