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TETRAHYDRO-6-METHYLQUINOLINE.

Avoid CAS 91-61-2 / PERFUMING

TETRAHYDRO-6-METHYLQUINOLINE is an aromatic compound utilized primarily as a perfuming agent in cosmetic products to impart scent. It does not possess identified mechanisms or clinically proven therapeutic benefits for direct skin improvement.

Perfuming

Science

This ingredient functions solely as a perfuming agent, enhancing the olfactory profile of a product or directly perfuming the skin. No specific mechanism of action contributing to direct skin health or therapeutic benefits has been widely established or clinically investigated.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

This ingredient is a fragrance component and is not associated with efficacy claims that would typically lead to 'dusting' practices in product formulation or marketing.


The Formula

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The ingredient demonstrates stability under recommended storage conditions. However, comprehensive data regarding its optimal pH range for stability within diverse cosmetic formulations is not readily available in existing literature.

Conflicts

  • Oxidizing agents
  • Isocyanates
  • Halogenated organics
  • Peroxides
  • Phenols (acidic)
  • Epoxides
  • Anhydrides
  • Acid halides
  • Strong reducing agents (potential to generate flammable gaseous hydrogen)

Safety

CIR Status
Not reviewed
Max tested
2%
Sensitization risk Moderate

TETRAHYDRO-6-METHYLQUINOLINE is classified as harmful if ingested (H302) or absorbed through skin contact (H312). It is identified as an irritant to the eyes, mucous membranes, upper respiratory tract, and skin. The International Fragrance Association (IFRA) recommends a maximum usage level of 2.00% in fragrance concentrates due to its potential to form nitrosamines in nitrosating systems, necessitating notification for downstream product formulators.


Your Skin

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

Our Assessment

Avoid

This ingredient functions solely as a fragrance and carries a moderate risk for skin irritation and potential nitrosamine formation, rendering it unsuitable for precision skincare formulations.


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