--- product_id: 307927976 title: "Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length" brand: "redken" price: "257.41 DT" currency: TND in_stock: true reviews_count: 13 category: "Redken" url: https://www.desertcart.tn/products/307927976-shampoo-biotin-for-longer-stronger-hair-extreme-length store_origin: TN region: Tunisia --- # Gentle cleanse with pH-balanced care Supports up to 6 inches of hair growth/year Biotin-infused formula for stronger strands Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length **Brand:** redken **Price:** 257.41 DT **Availability:** ✅ In Stock ## Summary > 📈 Elevate your hair game — longer, stronger, unstoppable! ## Quick Answers - **What is this?** Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length by redken - **How much does it cost?** 257.41 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/307927976-shampoo-biotin-for-longer-stronger-hair-extreme-length) ## Best For - redken enthusiasts ## Why This Product - Trusted redken brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Gentle Yet Effective:** pH-balanced formula cleanses impurities without stripping essential moisture. - • **Length Goals, Achieved:** Clinically shown to promote up to 6 inches of healthy hair growth in one year. - • **Strengthen Every Strand:** Biotin-powered shampoo fortifies fragile, breakage-prone hair from root to tip. - • **Salon-Grade Scent & Feel:** Refreshing green apple fragrance elevates your daily haircare ritual. - • **Trusted by Professionals:** Redken’s Extreme Length collection is a top choice for damaged hair, delivering 81% less breakage*. ## Overview Redken Extreme Length Shampoo is a biotin-enriched, pH-balanced formula designed to gently cleanse and fortify fragile, damaged hair. Clinically proven to support up to 6 inches of hair growth per year and reduce breakage by 81%, it’s the professional’s choice for maintaining resilient, healthy lengths with a refreshing green apple scent. ## Description Product Description Founded upon principles of pH science and protein technology, Redken has been a pioneer in professional product innovation since its inception in the 1960s.Captivating generations of fans through fashion, inspiration and innovation, Redken is renowned for its award-winning products, colour services and elite line of celebrity muses, global trend-makers and the industries freshest salons. Fashion obsessed, Redken brings salons the latest hairstyles and colour trends straight from the runway through cutting-edge products, techniques and salon services. Loved by the fashion and beauty press, Redken is a regular winner of the most prestigious beauty awards worldwide. Ingredients AQUA / WATER / EAU, SODIUM LAURETH SULFATE, SODIUM CHLORIDE, COCAMIDOPROPYL BETAINE, CITRIC ACID. SODIUM HYDROXIDE, PARFUM / FRAGRANCE, PROPYLENE GLYCOL, POLYQUATERNIUM-10, SODIUM BENZOATE, HEXYLENE GLYCOL, SALICYLIC ACID, BENZYL BENZOATE, LIMONENE, BENZYL ALCOHOL, LINALOOL, 2-OLEAMIDO-1,3-OCTADECANEDIOL, BIOTIN Directions Apply to wet hair, massage into lather and rinse Review: Love this Shampoo - Really good quality shampoo, and it actually works. Have been using Redken for years and my hair has never felt better. desertcart has good deals on Redken shampoo at times- which is why I ordered from here, good value for money. Review: Good on my dry, fine, older hair - Best Redken I've tried yet for my hair I am in my fifties with fine, very dry hair This may be pricey, but you only need a pea-sized amount for a brilliant head of foam It smells lovely too It appears to be gentle on my dry ends but cleanses thoroughly Fab! ## Features - GENTLE CLEANSE: A pro-prescribed, fortifying shampoo designed to gently wash away impurities while caring for fragile, breakage-prone hair. - BIOTIN ENRICHED: Powered by advanced hair science, this formula is infused with biotin to help reinforce your delicate strands from root to tip. - LENGTH FORTIFYING: Works to promote a healthy-looking scalp and resilient lengths, providing the perfect foundation for your haircare routine. - HOW TO USE: Apply a coin-sized amount to wet hair, massage gently into the scalp to create a rich lather, then rinse thoroughly for best results. - FOR LONGER HAIR: The ideal daily cleanser for those looking to maintain their lengths and protect their delicate hair against daily wear and tear. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Y1DBGQ4 | | Active Ingredients | Biotin, Castor Seed Oil | | Age Range Description | Adult | | Age range (description) | Adult | | Benefits | Helps achieve maximum hair length, up to 6 inches of growth in one year. Fortifies and strengthens hair for 81% less breakage* and it promotes healthy, strong hair from root to tip. | | Best Sellers Rank | 3,880 in Beauty ( See Top 100 in Beauty ) 180 in Shampoos (Beauty) | | Brand | Redken | | Brand Name | Redken | | Collection Name | Extreme Length | | Country Of Origin | España | | Customer Reviews | 4.6 out of 5 stars 4,499 Reviews | | Global Trade Identification Number | 03474636920211 | | Hair Type | Damaged | | Hair type | Damaged | | Item Dimensions | 6.4 x 6.4 x 14.1 centimetres | | Item Form | Liquid | | Item Weight | 300 Grams | | Item form | Liquid | | Liquid Volume | 300 Millilitres | | Manufacturer | REDKEN | | Manufacturer Part Number | E3460800 | | Material Type Free | Chemikalienfrei | | Model Number | E3460800 | | Number of Items | 1 | | Other Special Features of the Product | Damaged | | Package Size Name | Full Size | | Recommended Uses For Product | Apply to wet hair, massage into lather and rinse. | | Scent | Green Apple | | Scent Name | Green Apple | | Suitable Hair Colour | All Hair Colours | | Unit Count | 300.0 millilitre | ## Product Details - **Age range (description):** Adult - **Brand:** Redken - **Hair type:** Damaged - **Item form:** Liquid - **Scent:** Green Apple ## Images ![Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 1](https://m.media-amazon.com/images/I/61xSo224fmL.jpg) ![Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 2](https://m.media-amazon.com/images/I/81ntagnqKmL.jpg) ![Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 3](https://m.media-amazon.com/images/I/71Ci1yXkOvL.jpg) ![Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 4](https://m.media-amazon.com/images/I/71xVc+Sv-9L.jpg) ![Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 5](https://m.media-amazon.com/images/I/719w1iedENL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How frequently should I use Extreme Length?** A: Extreme Length is safe for daily use and can be worked into your regular wash routine as often as desired. **Q: When will I see results from Extreme Length?** A: Most people experience softer, more manageable, and visibly stronger strands after the first use of Extreme Length. For best results, use both the shampoo and conditioner consistently. **Q: Does Extreme Length help with hair growth?** A: Extreme Length Biotin is formulated with biotin, castor oil, and 4% Length Care Complex to strengthen hair, allowing hair to retain the length it grows. **Q: Does Extreme Length Biotin Conditioner work for oily hair?** A: Yes. Extreme Length is suitable for oily hair and all hair types and textures. It gently cleanses and nourishes while strengthening hair against breakage. **Q: Is Extreme Length Biotin Shampoo good for fine or thin hair?** A: Yes. Extreme Length is suitable for all hair types and textures, including fine and thin hair. The biotin and 1% Length Care Complex strengthen fragile strands without weighing them down. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Love this Shampoo *by K***M on 24 July 2026* Really good quality shampoo, and it actually works. Have been using Redken for years and my hair has never felt better. Amazon has good deals on Redken shampoo at times- which is why I ordered from here, good value for money. ### ⭐⭐⭐⭐⭐ Good on my dry, fine, older hair *by T***8 on 25 July 2026* Best Redken I've tried yet for my hair I am in my fifties with fine, very dry hair This may be pricey, but you only need a pea-sized amount for a brilliant head of foam It smells lovely too It appears to be gentle on my dry ends but cleanses thoroughly Fab! ### ⭐⭐⭐⭐⭐ Excellent product *by B***E on 21 July 2026* Really works ## Frequently Bought Together - REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Redken Extreme Length Leave-In Conditioner For Hair Growth Infused With Biotin - REDKEN Conditioner, For Damaged Hair, Protein, Strength Repair, Extreme --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/307927976-shampoo-biotin-for-longer-stronger-hair-extreme-length](https://www.desertcart.tn/products/307927976-shampoo-biotin-for-longer-stronger-hair-extreme-length) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-09*