HITS Laboratory tests conducted on this products category include:
- Microbiology Contamination
- Heavy metals tests including lead, cadmium, mercury, chromium, and arsenic
- Preservatives tests including Benzoic acid and its derivatives
- Hydroquinone
- Zinc
- Formaldehyde in nail hardener
- Free sodium and potassium hydroxide in nail cuticle solvent preparations
- Hydrogen peroxide
- Zinc-4-Hydroxybenzene sulfonate