Amino Acids
HumectantNaturalAlso known as: NMF, Natural Moisturizing Factor, Proline, Glycine, Alanine, Serine
The building blocks of proteins and a major component of skin's Natural Moisturizing Factor (NMF). Multiple amino acids work together to maintain skin hydration and health.
Routine placement
Serum · AM & PM
Time to results
Immediate hydration boost; 2-4 weeks for sustained improvement
Hydration, barrier repair, supports protein synthesis (collagen, elastin), improves skin texture, part of natural moisturizing factor.
Apply in serum or moisturizer form. Often combined with other NMF components (PCA, urea, HA). Suitable for daily use morning and evening.
Fundamental components of skin biology. Studies confirm amino acid-containing products improve hydration and barrier function. Key component of effective moisturizing formulations.
What does Amino Acids do for skin?
Amino Acids is used in skincare primarily as a humectant ingredient. Its effects depend on concentration and formulation. Check the benefits section above for specific details.
Is Amino Acids safe for sensitive skin?
Amino Acids is generally well-tolerated, but sensitivity varies by individual. Start with a patch test if you have reactive skin, and introduce gradually into your routine.
Can I use Amino Acids every day?
For most skin types, daily use is appropriate at standard concentrations. If you experience any irritation, reduce frequency to every other day.
Does your skincare contain Amino Acids?
Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.
Find Amino Acids products
Browse skincare products containing Amino Acids.
Related to Amino Acids
A versatile form of Vitamin B3 that strengthens the skin barrier, reduces pore appearance, controls oil production, and addresses multiple skin concerns.
A gentle alpha hydroxy acid derived from milk. Larger molecular size than glycolic acid means slower, more gentle penetration. Also has humectant properties.
The provitamin form of Vitamin B5 that deeply hydrates and helps repair the skin barrier. Converts to pantothenic acid in the skin.
The acid form of panthenol (provitamin B5). Supports skin barrier function, wound healing, and hydration.
A natural component of the skin's NMF (Natural Moisturizing Factor). At different concentrations, it hydrates, exfoliates, or treats hyperkeratotic conditions.