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René FurtererTriphasic Reactional Hair Thickening Serum

Hair serum

$64.50 $86

You save $21.50 (25%) off the list price

or save up to 5% more with Subscribe & Save on Amazon

Prime exclusive dealEnds Wed, Oct 7, 11:59 PM PT

Size 57 ml, $33.46 / fl oz

Sold by Amazon.com. Amazon's shipping and returns apply. Who sells René Furterer on Amazon

Amazon price as of Oct 7, 2026, 11:00 PM 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.

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About the product

What it is: Hair serum, 57 ml. Address underlying causes of sudden & temporary hair thinning due to postpartum, stress, illness, diet or other factors. Leave-in serum helps preserve scalp's natural balance & maintain hair vitality.

What Else You Need to Know:

  • Drug-free, concentrated formula helps minimize effects of stress and strengthen hair.
  • Snap off tip, attach applicator & apply serum to clean, damp scalp. Massage in and don't rinse.

From the Amazon listing.

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Hair serum, for less per ounce on Amazon

$64.50 $86

$33.46 / fl oz