Brittle nails have become one of the most common complaints dermatologists hear, largely because salon practices-particularly acrylics and harsh acid-based products-keep inflicting damage. We reviewed research published from 2015 through 2024 to determine whether severely compromised nails can actually recover. Traditional acidic primers operating at pH 2-3 gradually corrode keratin, creating microscopic damage that builds up with each application. Formulations maintaining pH 5-7 achieve bonding without chemically degrading keratin. Gentler salon approaches-careful cuticle work, minimal filing, replacing acrylics with water-based gel systems-substantially reduce mechanical damage. Home care involves daily moisturizer application, 2.5-5 mg biotin supplementation, wearing gloves during chemical exposure, and taking periodic breaks from all coatings. Clinical evidence shows people who maintain these practices consistently see nail thickness increase 15-25% within 3-6 months. Recovery depends entirely on eliminating harmful practices, sustaining hydration, and providing nutritional support for nail growth. Salon professionals require proper training to recognize damaged nails and adopt evidence-based prevention strategies rather than continuing techniques that provide temporary cosmetic results while causing progressive structural deterioration.

fragility of nails, low-acid bases, soft manicure, preventive care, rehabilitation of nails, professional cosmetology

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