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Moumoujus

D-ALLO-OCIMENOL.

Avoid CAS 126-91-0 / PERFUMING

D-ALLO-OCIMENOL, consistently identified as Linalool in available research, is a terpene alcohol recognized for its anti-inflammatory and mild antimicrobial properties, which can help soothe irritated skin and diminish redness. While it also functions as a fragrance compound and may enhance the dermal absorption of other actives, its utility in precision skincare is significantly limited by its stability profile.

Summary

fragrance antimicrobial anti-inflammatory solvent penetration enhancer

Science

Mechanism of Action

D-ALLO-OCIMENOL, functioning as Linalool, primarily acts as an anti-inflammatory agent to calm irritated skin and mitigate redness. It possesses mild antimicrobial capabilities against specific bacteria and fungi, serves as a solvent to facilitate the dissolution and stabilization of other fragrance ingredients, and can increase the absorption of co-formulated active compounds into the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Research indicates D-ALLO-OCIMENOL (Linalool) has anti-inflammatory properties that can alleviate skin irritation, redness, and inflammation, potentially benefiting conditions such as acne, psoriasis, and rosacea.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.001%
Red flag below
0.001%

D-ALLO-OCIMENOL is frequently included in formulations at low levels, primarily for its fragrance. However, its threshold for allergenicity is very low; concentrations exceeding 0.001% in leave-on products require explicit labeling in the EU due to its significant potential for sensitization, even if not intentionally 'dusted' below an efficacy threshold.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

D-ALLO-OCIMENOL is highly prone to oxidation upon exposure to air, forming allergenic hydroperoxides. This degradation significantly increases its sensitizing potential, with older or air-exposed products posing a greater risk than freshly formulated ones. Formulation and storage should minimize oxygen contact.

Conflicts

  • strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
0.001%
Sensitization risk High

While recognized as Generally Recognized As Safe (GRAS) by the FDA for flavors and fragrances, and its safety reviewed by SCCS with no concerns at declared use levels, D-ALLO-OCIMENOL (Linalool) readily oxidizes when exposed to air. This oxidation forms highly allergenic hydroperoxides, making it a known contact allergen and skin sensitizer. European Union regulations mandate its inclusion on cosmetic labels if present above 0.001% in leave-on products and 0.01% in rinse-off products due to its allergenic potential.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Moderate
Comedogenicity Low

Our Assessment

Verdict

Avoid

Despite potential anti-inflammatory and mild antimicrobial benefits, D-ALLO-OCIMENOL (Linalool) presents a high sensitization risk due to its oxidative instability, forming potent allergens upon air exposure, making its inclusion in precision skincare formulas generally inadvisable.

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