5. UV Stabilizers
These help protect nail polish from fading or yellowing when exposed to sunlight.
Example: Benzophenone-1
Purpose: Preserves color and finish over time.
⚠️ Potential endocrine disruptor—use in moderation
Ingredients to Avoid
Many conventional nail polishes include chemicals known for health risks. These are the ones to skip when possible:
Formaldehyde – A known carcinogen used in some hardeners and resins.
Toluene – A solvent linked to headaches, dizziness, and nervous system effects.
Dibutyl Phthalate (DBP) – A plasticizer associated with reproductive harm.
Formaldehyde Resin – A derivative that can trigger allergic reactions.
Camphor – Can cause dizziness or nausea in high concentrations.
TPHP (Triphenyl Phosphate) – A hormone disruptor used as a plasticizer.
Parabens – Preservatives that may interfere with hormone function.
Ethyl Tosylamide & Xylene – Banned in some regions for toxicity concerns.
These harmful ingredients are often referred to as the “Toxic Trio” (formaldehyde, toluene, DBP), though many brands go even further to eliminate up to 10 or more controversial chemicals.
✅ Safer Choices: What to Look for Instead
Many clean beauty brands now label their polishes as “X-Free,” where “X” refers to the number of harmful ingredients removed.
5-Free: Free of formaldehyde, toluene, DBP, formaldehyde resin, camphor
7-Free: Adds ethyl tosylamide and xylene to the no-no list
10-Free or 12-Free: Also excludes parabens, fragrances, phthalates, and sometimes animal-derived ingredients
Better Ingredient Alternatives:
Plasticizers: Use acetyl tributyl citrate instead of DBP or TPHP
Solvents: Still use ethyl acetate and butyl acetate, but safer when ventilated
Colorants: Prefer mineral-based pigments and ethically sourced mica
Preservatives: Look for phenoxyethanol instead of parabens
Glitter: Choose biodegradable glitter or shimmer from natural sources