Titanium Dioxide (TiO₂) is a naturally occurring mineral extensively utilized in cosmetic formulations, primarily for its exceptional ultraviolet (UV) light-filtering capabilities. In skincare, TiO₂ functions as a physical sunscreen agent, reflecting and scattering both UVA and UVB rays. Its photostability ensures consistent protection without degradation upon sun exposure. Additionally, TiO₂ imparts opacity and whiteness to products, enhancing their aesthetic appeal. Its inert nature and low potential for skin irritation make it suitable for sensitive skin formulations.
In haircare, TiO₂ is less commonly employed but can be found in certain styling products. It contributes to the opacity and color of formulations and may assist in providing hold and structure in products like styling gels and mousses. However, its use in haircare is limited due to potential buildup on the hair and scalp over time.
Quick Insights
Ingredient Rating:
GREAT
Type of Ingredient:
Texture Enhancer, Barrier Support, Tone Evener and UV Protector
Intended Function:
Provides broad-spectrum UV protection and enhances product opacity.
Common Applications:
Sunscreens, moisturizers, foundations, pressed powders, and certain hair styling products.
Target Audience:
Individuals seeking sun protection, including those with sensitive skin or conditions like rosacea.
Also Known As:
CI 77891.
Safety Analysis
Titanium Dioxide is generally recognized as safe for topical application in cosmetics. The Scientific Committee on Consumer Safety (SCCS) has concluded that pigmentary TiO₂ is safe for use in dermally applied products up to a concentration of 25%. However, concerns have been raised regarding inhalation exposure to TiO₂ particles, particularly in powdered or aerosolized products, where it is classified as a possible carcinogen by the International Agency for Research on Cancer (IARC). To mitigate risks, it is advisable to limit the use of TiO₂ in spray and loose powder formulations or ensure particle sizes are above the respirable range.
References
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