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LAURDIMONIUM HYDROXYPROPYL HYDROLYZED WHEAT PROTEIN.

Valuable CAS 130381-06-5 / ANTISTATIC, HAIR CONDITIONING

This modified wheat protein derivative forms a protective film on the skin, effectively enhancing moisture retention and contributing to a smoother, softer texture. It also supports the skin's natural barrier against environmental stressors.

Summary

Moisturizing Skin Barrier Support Skin Conditioning Texture Improvement

Science

Mechanism of Action

It functions by creating a protective, moisture-retaining layer on the skin's surface, which improves skin texture and imparts a feeling of softness. This film also strengthens the skin's barrier function, offering defense against external irritants and preventing dehydration.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–5%
Optimal

N/A

Key findings

  1. 01 Typical concentrations for cosmetic use range from 0.5-5%, providing demonstrable hair and skin conditioning benefits.
  2. 02 In an occlusive human repeated insult patch test (HRIPT) involving 52 subjects, a 25% aqueous solution of Hydrolyzed Wheat Protein (HWP, the base ingredient, MW = 350 Da) was not found to be a significant dermal irritant or sensitizer.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 7.5
0 7 14

Stability

Optimal stability is observed within a pH range of 6.0-7.5. Slight precipitation and darkening may occur during prolonged storage.

Conflicts

  • Kathon CG (Methylchloroisothiazolinone and Methylisothiazolinone), which may depend on concentration and pH when formulated with protein hydrolyzates/derivatives.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel considers hydrolyzed wheat protein (HWP) and hydrolyzed wheat gluten (HWG) safe for cosmetic applications, provided peptides are restricted to a weight-average molecular weight (MW) of 3500 Da or less. While the Scientific Committee on Consumer Safety (SCCS) concluded that hydrolyzed wheat protein is generally not an irritant to the skin or eyes, specific instances have shown strong positive skin prick test reactions to LAURDIMONIUM HYDROXYPROPYL HYDROLYZED WHEAT PROTEIN in certain individuals, particularly those with a history of atopic eczema. This potential for sensitization is noted under specific conditions, such as with higher molecular weight fractions or in spray products. Patch testing is recommended for individuals with sensitive skin. EWG rates its allergy and immunotoxicity risk as 'LOW'.

Your Skin

Skin Compatibility

No Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

LAURDIMONIUM HYDROXYPROPYL HYDROLYZED WHEAT PROTEIN is a valuable conditioning ingredient that supports skin barrier function and hydration, particularly beneficial for dry and sensitive skin. However, careful consideration of molecular weight and individual sensitivity, especially for atopic skin, is essential.

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