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Shampoo
Price per fluid ounce across bottle sizes.
The cheapest shampoo on Amazon right now is Suave Invigorating Shampoo with Rosemary & Mint, Refreshing & Replenishing Care for Healthy-Looking Hair, No Parabens, Phthalates, or Dyes, 28 FL OZ Bottle at $0.178 / fl oz — 8 product lines compared, ranked by real price per fl oz.
💲 Prices and availability verified Aug 6, 2026, not live-updated yet — accurate as of that date and subject to change. Check Amazon for the current price before buying.
Price
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8 of 8 product lines · sorted by best price per unit
Best value
Suave
Suave Invigorating Shampoo with Rosemary & Mint, Refreshing & Replenishing Care for Healthy-Looking Hair, No Parabens, Phthalates, or Dyes, 28 FL OZ Bottle
$0.178 / fl oz
$4.97 total · 1 size
Ginger Lily Farms
Ginger Lily Farms 1 gal Moisturizing Shampoo, Green Tea Lemongrass Scent
$0.195 / fl oz
$24.99 total · 1 size
TRESemmé
TRESemmé Rich Moisture Hydrating Shampoo for Dry Hair 39 oz
$0.204 / fl oz
$7.97 total · 1 size
Aussie
Aussie Miracle Moist Shampoo: Hydrating & Gentle Cleansing Treatment with Avocado & Jojoba Oil, 26.2 Fl Oz
$0.304 / fl oz
$7.97 total · 1 size
Aussie
Aussie Miracle Curls Shampoo for Curly Hair with Coconut Oil, Paraben Free, 26.2 Fl Oz
$0.304 / fl oz
$7.97 total · 1 size
Herbal Essences
Herbal Essences Hello hydration shampoo shampooing for hair 29.2 FL OZ
$0.307 / fl oz
$8.97 total · 1 size
Dove
Dove Intensive Repair Shampoo for Damaged Hair & Breakage 28oz
$0.316 / fl oz
$8.84 total · 3 sizes
Garnier Fructis
Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 1 Count (Packaging May Vary)
$0.317 / fl oz
$3.96 total · 1 size
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