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TIMONACIC.

Avoid CAS 444-27-9 / 34592-47-7 / SKIN CONDITIONING

Timonacic, or thiazolidine-4-carboxylic acid, is a compound noted for its potential antioxidant and skin conditioning properties. While it demonstrates diverse biochemical actions, its application in topical skincare is met with significant safety considerations.

Skin conditioning Antioxidant

Science

Timonacic's mechanism is complex, involving antioxidant activity, metal ion chelation, and the ability to release cysteine, which helps restore glutathione levels, thus protecting cells from oxidative stress. Topically, it is hypothesized to enhance skin barrier function, supporting moisture retention and environmental protection, potentially contributing to a smoother, hydrated complexion. It may also offer soothing benefits for dry or sensitive skin by reducing redness and irritation.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

No data is available to assess Timonacic's potential for dusting in skincare formulations.


The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The optimal pH range for Timonacic's stability in formulations is currently unknown. As it is classified as a 'Formaldehyde releaser', stringent formulation controls and stability testing would be essential to manage potential formaldehyde release and ensure both product integrity and user safety.


Safety

CIR Status
Not reviewed
Sensitization risk High

Timonacic is notably classified as a 'Formaldehyde releaser' by INCI Beauty, which assigns a 'Strong penalty' across all safety categories. PubChem further indicates Timonacic as an 'Irritant,' with GHS classifications specifying it is 'Harmful if swallowed' (97.7% likelihood) and 'Causes serious eye irritation' (95.5% likelihood). There is no specific safety status from regulatory bodies such as CIR, SCCS, or FDA for its use in skincare products, raising significant concern for topical application.


Your Skin

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

Our Assessment

Avoid

Given its classification as a 'Formaldehyde releaser' and confirmed irritant properties by multiple sources, alongside a complete lack of human topical efficacy data, Timonacic is not recommended for use in precision skincare formulations.


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