Acrylic nails don’t permanently destroy your natural nails, but they do cause real damage with repeated use. The main concerns are thinning and dehydration of the nail plate, risk of infection from trapped moisture, allergic reactions to the chemicals involved, and the harsh removal process. How much harm they cause depends largely on how they’re applied, how they’re removed, and how often you wear them.
How Acrylics Affect the Nail Plate
To bond an acrylic overlay, the technician first buffs the surface of your natural nail. This roughening creates grip for the product but physically removes layers of keratin, the protein that makes up your nail. Over months of fills and reapplications, repeated buffing gradually thins the nail plate. Thinner nails bend more easily, break more often, and feel sensitive to pressure or temperature.
The chemicals in acrylic products also play a role. Most modern formulas use ethyl methacrylate (EMA), which became the industry standard after the FDA banned the harsher methyl methacrylate (MMA) from nail products in 1974 due to proven harm to both technicians and clients. EMA is safer, but it can still cause irritation. Both chemicals are known to trigger contact dermatitis, eye and nose irritation, and in some cases asthma. Some discount salons still use MMA illegally because it’s cheaper, so a strong, unusual chemical smell during application can be a warning sign.
The Removal Process Does the Most Damage
Acrylic removal typically requires soaking your fingertips in acetone for 10 to 15 minutes or more. This prolonged acetone exposure dehydrates the nail plate, cuticles, and surrounding skin. The result is dry, brittle nails that are prone to splitting, a condition called onychoschizia. Some people also develop white discoloration on the nail surface (pseudo-leukonychia) and overall thinning that takes months to grow out.
Peeling or prying off acrylics without proper soaking is far worse. This tears away the top layers of the natural nail along with the product, sometimes causing enough damage that the nail looks rough, ridged, or paper-thin for the entire regrowth cycle. Fingernails grow at an average rate of about 3.5 millimeters per month, so a completely damaged nail can take up to six months to fully replace itself.
Infection Risk From Lifting and Moisture
When an acrylic overlay starts to lift at the edges, even slightly, moisture can seep into the gap between the product and the natural nail. That warm, damp environment is ideal for bacteria and fungi. Pseudomonas bacteria, which cause the greenish discoloration sometimes called “greenies,” are one of the most common culprits. Candida yeast and dermatophyte fungi (the same organisms behind athlete’s foot) can also take hold.
This trapped moisture can lead to onycholysis, where the nail plate separates from the nail bed starting at the tip and progressing backward. Once the nail lifts, the space underneath becomes even more hospitable to microbes. If you notice green, yellow, or dark discoloration under an acrylic, or if the area feels tender or swollen, the overlay needs to come off so the nail can be treated.
Allergic Reactions to Acrylates
Acrylate allergy is more common than most people realize, and it can develop after years of trouble-free wear. In a large European study, 67% of allergic contact dermatitis cases linked to acrylates came from nail products, with consumers making up 43% of those affected. The allergy is to the liquid monomer that hardens into acrylic, and once you develop it, it tends to be permanent.
Symptoms show up as eczema and cracked skin on the fingertips (pulpitis), redness and swelling around the cuticles, and sometimes rashes on the face or neck from touching those areas. In more severe cases, the nails themselves can become dystrophic, with changes resembling psoriasis, including lifting and thickened skin under the nail. Some people also develop respiratory symptoms like asthma and rhinitis from inhaling acrylic dust and vapors during salon visits. If you notice itching, redness, or peeling around your nails that wasn’t there before, acrylate allergy is worth considering.
UV Lamp Exposure
While traditional acrylic nails cure with air rather than light, many salons use UV or LED lamps for finishing coats or hybrid systems. Both types of lamp emit UVA radiation. A 2014 study published in JAMA Dermatology found that the UVA exposure from a gel manicure every two weeks likely isn’t high enough to significantly increase skin cancer risk. Still, the American Academy of Dermatology notes that cumulative exposure adds up over years of regular visits. Applying a broad-spectrum sunscreen to your hands before your appointment, or wearing fingerless UV-protective gloves, reduces that exposure with almost no inconvenience.
How to Reduce the Damage
The American Academy of Dermatology recommends reserving artificial nails for special occasions rather than wearing them continuously. Breaks between sets give your nails time to recover thickness and hydration. If you do wear acrylics regularly, a few practices make a measurable difference:
- Choose soak-off options when possible. Gel nails that soak off are generally gentler than acrylics that require heavy filing for removal.
- Never peel or pull off product. Always have acrylics professionally removed with acetone soaking to avoid tearing the nail surface.
- Keep fills on schedule. Letting acrylics grow out too long before a fill increases lifting, which increases infection risk.
- Hydrate after removal. Cuticle oil and a thick hand cream help counteract the dehydrating effects of acetone.
- Verify the salon uses EMA. If the liquid monomer has an overwhelmingly strong odor, the salon may be using banned MMA products.
What Recovery Looks Like
After removing acrylics, your nails will likely look thin, feel flexible, and may have white patches or surface roughness. This isn’t permanent. As new nail grows in from the base, the damaged portion moves toward the tip and eventually gets trimmed away. For most people, three to six months of growth is enough to fully replace a damaged nail. During that time, keeping nails short reduces breakage, and regular application of cuticle oil helps restore moisture to the nail plate and surrounding skin. The nails that grow in will be as healthy as they were before, provided there’s no ongoing infection or untreated allergic reaction.