ZINC SULFIDE

CAS Number	1314-98-3
Chem/IUPAC Name:	Zinc sulphide
EINECS/ELINCS No:	215-251-3
COSING REF No:	38979

Zinc Sulfide is a colorant and phosphorescent used in cosmetics to achieve the glow-in-the-dark appeal. This yellowish-white powder shines when light hits, earning itself a reputation in decorative cosmetics. It is also useful for achieving even skin tones and masking imperfections. Further, it has some mild sun-protective qualities. Zinc Sulfide is a naturally occurring salt but is made synthetically for cosmetics. It is important to note that this ingredient is insoluble in water and can be harmful to the environment, prompting the search for eco-friendly alternatives. The chemical formula of Zinc Sulphide is ZnS.

Who supplies ZINC SULFIDE ?

What is ZINC SULFIDE used for?

Zinc sulfide is pivotal in cosmetics, primarily employed as a pigment to impart opacity and brightness to products like foundations, powders, and concealers, masking imperfections and evening skin tone. Its gentle nature suits sensitive skin formulations. Acting as a bulking agent, it enhances texture and consistency, while its light-reflecting properties contribute to a radiant complexion. Additionally, zinc sulfide serves as a UV filter in some sunscreens, providing mild sun protection. Overall, its versatile uses in cosmetics prioritize both aesthetic appeal and skin health.

Origin

Zinc sulfide is typically produced through chemical reactions. One common method involves reacting zinc oxide with hydrogen sulfide gas under controlled conditions. This process forms zinc sulfide along with water vapor as a byproduct. Alternatively, zinc sulfide can be synthesized by combining zinc metal with elemental sulfur, heating the mixture to high temperatures.

What does ZINC SULFIDE do in a formulation?

Masking
Opacifying
Uv filter

Safety profile

Zinc sulfide is a safe ingredient for cosmetics and is widely used for its gentle nature. However, a patch test can be conducted to ensure safety against individual allergies. Additionally, concerns arise due to zinc sulfide’s possible negative impacts on the environment. Alternative ingredients can be used for eco-friendly formulations.