# Shampoo: cheapest per fl oz Amazon **$0.16 /fl oz** typical $0.36 · 16 listings [Buy on Amazon: $19.99 for 128 fl oz →](https://www.amazon.com/dp/B0BYL22CPP?tag=sharpestai-20) as of 2026-11-05 16:50:32 UTC eBay **—** Not enough new listings yet; checked daily Amazon prices are before shipping (free on most items with Prime); eBay prices include shipping. We earn a commission when you buy through these links, at no cost to you. ## All 16 listings, cheapest per fl oz first Amazon (16) | | Item | Size | Price | Per fl oz | | |---|---|---|---|---|---| | | Ginger Lily Farms Club & Fitness Shampoo, 128oz, Fragrance Free 128 fl oz | 128 fl oz | $19.99 | $0.16 | [Amazon →](https://www.amazon.com/dp/B0BYL22CPP?tag=sharpestai-20) | | | TRESemmé Rich Moisture Hydrating Shampoo & Conditioner Set 28 oz 2 Pack 56 fl oz | 56 fl oz | $10.74 | $0.19 | [Amazon →](https://www.amazon.com/dp/B076JK8PXX?tag=sharpestai-20) | | | Ginger Lily Farms Botanicals Moisturizing Shampoo for All Hair Types, Coco Mango, 100% Vegan & Cruelty-Free, Coconut Ma… 128 fl oz | 128 fl oz | $24.99 | $0.20 | [Amazon →](https://www.amazon.com/dp/B00DQSKQXE?tag=sharpestai-20) | | | Aussie Miracle Moist Shampoo: Hydrating & Gentle Cleansing Treatment with Avocado & Jojoba Oil, 26.2 Fl Oz 26.2 fl oz | 26.2 fl oz | $7.97 | $0.30 | [Amazon →](https://www.amazon.com/dp/B07LCH8QZ8?tag=sharpestai-20) | | | L'Oreal Paris Elvive Hyaluron Plump Shampoo and Conditioner Set, 53 Fl Oz 53 fl oz | 53 fl oz | $17.05 | $0.32 | [Amazon →](https://www.amazon.com/dp/B0BJNX6R5X?tag=sharpestai-20) | | | L'Oreal Paris Elvive Hyaluron + Pure 72H Purifying Shampoo for Oily Hair, Clarifying Shampoo with Salicylic Acid and Hy… 28 fl oz | 28 fl oz | $9.47 | $0.34 | [Amazon →](https://www.amazon.com/dp/B0DNKM7R42?tag=sharpestai-20) | | | Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 1 Count (Packaging May Vary) 12.5 fl oz | 12.5 fl oz | $4.47 | $0.36 | [Amazon →](https://www.amazon.com/dp/B01N97PCBH?tag=sharpestai-20) | | | Garnier Fructis Pure Clean Purifying Shampoo, Silicone-Free, 12.5 Fl Oz, 3 Count (Packaging May Vary) 37.5 fl oz | 37.5 fl oz | $13.41 | $0.36 | [Amazon →](https://www.amazon.com/dp/B07BVKK11Q?tag=sharpestai-20) | | | Pantene Shampoo, Daily Moisture Renewal with Vitamin E - Pro-V Nutrients for Dry, Color-Treated, Straight to Curly Hair… 27.7 fl oz | 27.7 fl oz | $9.97 | $0.36 | [Amazon →](https://www.amazon.com/dp/B0GPDK8ZCY?tag=sharpestai-20) | | | Head & Shoulders Classic Clean Anti-Dandruff Shampoo, 72-Hour Dandruff Protection, 1% Pyrithione Zinc, 28.2 fl oz 28.2 fl oz | 28.2 fl oz | $11.12 | $0.39 | [Amazon →](https://www.amazon.com/dp/B0B96LXQ49?tag=sharpestai-20) | | | L'Oreal Paris Elvive Hyaluron Plump Shampoo, 12.6 Fl Oz 12.6 fl oz | 12.6 fl oz | $5.57 | $0.44 | [Amazon →](https://www.amazon.com/dp/B0BCR23QDG?tag=sharpestai-20) | | | Herbal Essences Shampoo, Rose Hips - Smooth Collection, Shiny Hair with Vitamin E & Jojoba, Safe for Color Treated Hair… 29.2 fl oz | 29.2 fl oz | $12.95 | $0.44 | [Amazon →](https://www.amazon.com/dp/B084LHNR57?tag=sharpestai-20) | | | CeraVe Gentle Hydrating Shampoo with Hyaluronic Acid for Hair & Scalp, 19oz 19 fl oz | 19 fl oz | $12.97 | $0.68 | [Amazon →](https://www.amazon.com/dp/B0FWVR26QW?tag=sharpestai-20) | | | Tea Tree Special Shampoo, Deep Cleans, Refreshes Scalp, For All Hair Types, Especially Oily Hair, 33.8 fl. oz. 33.8 fl oz | 33.8 fl oz | $50.00 | $1.48 | [Amazon →](https://www.amazon.com/dp/B000MD65FO?tag=sharpestai-20) | | | Redken All Soft Shampoo - Moisturizes & Hydrates Dry, Brittle Hair, Gently Cleanses & Softens, Adds Shine, With Argan O… 33.8 fl oz | 33.8 fl oz | $58.00 | $1.72 | [Amazon →](https://www.amazon.com/dp/B0007X749U?tag=sharpestai-20) | | | Biolage Color Last Shampoo – For Color-Treated Hair, 13.5 fl oz 13.5 fl oz | 13.5 fl oz | $27.00 | $2.00 | [Amazon →](https://www.amazon.com/dp/B00JAHVSNM?tag=sharpestai-20) | ## Amazon per fl oz, by day typical cheapest, per fl oz ## eBay per fl oz, by day typical cheapest, per fl oz Amazon as of 2026-11-05 16:50:32 UTC: Amazon's own price, else its lowest new offer, before shipping and tax (via Keepa); product prices and availability are accurate as of the date/time indicated and are subject to change. Size comes from the seller's unit count or the listing title; check the listing before buying. As an Amazon Associate and eBay Partner, Sharpest earns from qualifying purchases. ## Alert me when shampoo hit my price per fl oz We check Amazon and eBay several times a day and email you when any listing is at or under your price. One email per new low, unsubscribe in one click. 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