Hair & Scalp Concerns

Heat Damage: causes & the ingredients that actually work

Crispy, broken hair from straighteners, curlers and blow-dryers. 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 heat damage — coming soon

We're reviewing formulas and ingredient lists for this concern. Until then, look for products built around Bond Repair Complex, Silicones and Hydrolyzed Keratin.

Understand it

What causes heat damage?

  • High heat without protection
  • Daily styling
  • Weakened protein structure

Look for

Ingredients that work for heat damage

FAQs

Heat Damage — common questions

What causes heat damage?

Common causes include: high heat without protection, daily styling and weakened protein structure.

Which ingredients work best for heat damage?

Look for Bond Repair Complex, Silicones, Hydrolyzed Keratin and Panthenol. Bond Repair Complex: Rebuilds broken disulfide bonds inside chemically or heat-damaged hair. Silicones: Coat the hair to smooth frizz, add slip and protect from heat.

When should I see a dermatologist for heat damage?

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.