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AMINOSUBERIC ACID.

Valuable CAS 4254-88-0 / SKIN CONDITIONING - EMOLLIENT

Aminosuberic Acid is a dicarboxylic amino acid that functions as a skin-conditioning agent and humectant. It effectively enhances skin hydration and barrier function, making it valuable in anti-aging and moisturizing formulations.

skin-conditioning agent moisturizer/humectant

Science

It mimics natural moisturizing factors (NMF) to efficiently retain water within the stratum corneum, promoting hydration. Additionally, it acts as a crucial building block in peptide synthesis for actives that target acetylcholine receptors, potentially reducing wrinkles.


Research

Medium confidence
Effective range 0.1–2%
Optimal

N/A

Key findings

  1. 01 Chem-Impex Cosmetic Applications (CAS 4254-88-0)
  2. 02 JP2007297559A - Amino acid modification (Google Patents)

Transparency

Not commonly dusted

No data available regarding dusting.


The Formula

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

Stable as a powder at room temperature. In aqueous solutions, it is most stable between pH 5.0 and 7.0; extreme heat or highly acidic conditions can lead to degradation.

Synergies

  • Peptides

Conflicts

  • Strong oxidizing agents
  • Strong bases

Safety

CIR Status
Not reviewed
Sensitization risk Low

While not individually reviewed by the CIR, it falls under the general category of α-amino acids, which are widely considered safe for cosmetic use when properly formulated to be non-irritating.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

This ingredient is valuable for its dual action as a potent humectant and a foundational component for advanced peptide formulations, significantly enhancing skin hydration and texture.


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