Nails & makeup wear
Nail and makeup problems often have physical causes: water exposure, skin oil, friction and the order you apply products. These guides explain the cause, then the fixes that hold up.
Are UV nail lamps safe?
The 2023 study tested cells in dishes, not people; lamp dose studies rate one manicure as low risk. Our exposure calculation and FDA vs AAD table show how to cut the dose.
Read the evidence: Are UV Nail Lamps Safe? What the Study Found →Why are my nails peeling in layers?
Layered peeling at the tip is usually lamellar onychoschizia from wet-dry cycling, solvents and gel removal; our cause-to-fix table matches each pattern to the first change to make.
Read the evidence: Why Are My Nails Peeling in Layers? →Why does foundation separate on the nose?
Nose sebum, pores and slippery layers underneath break up the foundation film; match the fix to the cause with our cause-to-fix table and checklist.
Read the evidence: Why Does My Foundation Separate on My Nose? →How do you remove Halloween makeup from your face?
Dissolve it with a cleansing oil, then wash with a mild cleanser; spirit gum, liquid latex and glitter each need their own method. Our guide has a removal table by makeup type and a when-to-stop reaction checklist.
Read the evidence: How to Remove Halloween Makeup From Your Face →Why does my gel manicure lift after a week?
Early lifting is a bond failure: oil or water on the nail, gel on the cuticle, a lamp that does not match the gel, or thick coats. Our cause-to-fix table matches where it lifts to the fix.
Read the evidence: Why Does My Gel Manicure Lift After a Week? →Is TPO gel polish banned, and is it still safe?
The EU banned TPO in all cosmetics from September 1, 2025 after a reproductive-toxicity classification from rat studies; it remains legal in the US. The TPO ban guide compares EU and US rules, the exposure math and how to read gel labels.
Read the evidence: TPO Gel Polish Ban: What It Means for US Manicures →
