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2-PROPYL-5-CYCLOHEXYLPENTANOL.

Valuable CAS 1179975-39-3 / DEODORANT, SKIN CONDITIONING

An advanced tyrosinase inhibitor that delivers multi-dimensional skin brightening while protecting against environmental aggressors. This exposome-proof ingredient targets melanin synthesis at the enzymatic level and simultaneously reduces skin over-reactions to UV radiation, blue light, and pollution.

Skin brightening Tyrosinase inhibition Environmental protection Anti-irritant Skin conditioning

Science

Selectively inhibits tyrosinase enzyme activity to regulate melanin production, while functioning as an anti-irritant that dampens inflammatory responses to environmental stressors including UV exposure, visible light, and pollutants


Research

High confidence
Effective range 0.1–1%
Optimal

0.5%

Key findings

  1. 01 Human cell culture and volunteer studies at 0.1-1.0% demonstrated significant tyrosinase inhibition with measurable melanin reduction and visible brightening effects
  2. 02 Clinical trials at 0.5% in combination with niacinamide showed proven reduction in dark spot intensity and size through targeted oxidative stress mitigation

Transparency

Not commonly dusted
Min. effective
0.05%
Red flag below
0.05%

Effective concentrations start at 0.1%, making sub-threshold amounts functionally inactive for brightening benefits


The Formula

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Exceptionally stable against light, air, and heat degradation across standard cosmetic pH ranges; requires glycols or ethanol for aqueous phase incorporation

Synergies

  • Niacinamide
  • Glycols
  • Ethanol

Conflicts

  • Highly aqueous formulas without solubilizers

Safety

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

Industry-recognized safety profile with recommended usage between 0.1-1.0%; China compliant ingredient with minimal irritation potential when used within established limits


Your Skin

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

Our Assessment

Valuable

A scientifically-backed brightening agent with proven efficacy and broad skin compatibility, offering dual benefits of melanin regulation and environmental protection.


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References