Nail & Cuticle Concerns
Brittle & Weak Nails: causes & the ingredients that actually work
Nails that peel, split or break easily. Below we explain what causes it, which ingredients have real evidence behind them, and the products we recommend (top picks are being added soon).
Premium & budget picks for brittle & weak nails — coming soon
We're reviewing formulas and ingredient lists for this concern. Until then, look for products built around Hydrolyzed Keratin, Biotin and Jojoba Oil.
Understand it
What causes brittle & weak nails?
- Frequent water and detergent exposure
- Nail polish remover (acetone)
- Biotin or iron deficiency
Look for
Ingredients that work for brittle & weak nails
- Hydrolyzed Keratin
Protein that fills gaps in damaged hair or nails for strength and smoothness.
- Biotin
B-vitamin involved in keratin production; helps hair and nails when levels are low.
- Jojoba Oil
Light oil close to skin's sebum; conditions cuticles, beard and scalp.
- Vitamin E
Antioxidant that moisturises and protects skin, cuticles and lips.
FAQs
Brittle & Weak Nails — common questions
What causes brittle & weak nails?
Common causes include: frequent water and detergent exposure, nail polish remover (acetone) and biotin or iron deficiency.
Which ingredients work best for brittle & weak nails?
Look for Hydrolyzed Keratin, Biotin, Jojoba Oil and Vitamin E. Hydrolyzed Keratin: Protein that fills gaps in damaged hair or nails for strength and smoothness. Biotin: B-vitamin involved in keratin production; helps hair and nails when levels are low.
When should I see a dermatologist for brittle & weak nails?
If it is severe, painful, spreading, or hasn't improved after 6–8 weeks of consistent care, see a board-certified dermatologist. Prescription treatments may be needed.
This guide is for general information and isn't a substitute for advice from a dermatologist. Patch-test new products, and avoid strong actives during pregnancy unless your doctor approves.