Prime Big Deal Days Oct 6–7. SHOP THE DEALS ▸

KérastaseResistance Shampoo for Damage from Heat Styling

Heat protectant

$45

Size 251 ml, $5.30 / fl oz

Sold by Kérastase. Amazon's shipping and returns apply. Who sells Kérastase on Amazon

Amazon price as of Oct 5, 2026, 2:00 AM ET, subject to change: the price on Amazon at checkout is the one that applies. We may earn a commission; the price you pay is the same.

Beachwaver The Co. Great Barrier Heat Protectant Hair Spray
9 cheaper on the same shelf, from $3.33 / oz. See them

No dupe for this one yet

Want one? Ask, and it moves up our list. A pair only goes up when the cheaper product matches on format, finish or key actives and Amazon.com or its maker sells it.

About the Product

What it is: Heat protectant, 251 ml. Bain force architecte. Designed to target damaged and over-stressed hair. Enriched with Vita-Ciment technology, Pro-Keratin, and Ceramide; it offers daily protection from the elements.

What Else You Need to Know:

  • Benefits: Reconstructing shampoo that rebuilds and strengthens damaged hair fiber. Delivers smooth hair. Illuminates shiny hair, creates soft hair and prevents hair breakage and split ends
  • Additional benefits: Formulated with Pro-Keratine Complex, a blend of protein and amino acids including serine and arginine. Also includes ceramides to enhance shine and promote elasticity
  • Suggested use: Apply a quarter size amount of Bain Force Architecte shampoo to wet hair. Massage through lengths and ends until lathered and rinse thoroughly. Follow with Resistance Conditioner

From the Amazon listing.

Hair dupe guides

Cheaper on the Same Shelf

Heat protectant, for less per ounce on Amazon

$45

$5.30 / fl oz