How frequently should I use Extreme Length?

Extreme Length is safe for daily use and can be worked into your regular wash routine as often as desired.

When will I see results from Extreme Length?

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.

Does Extreme Length help with hair growth?

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.

Does Extreme Length Biotin Conditioner work for oily hair?

Yes. Extreme Length is suitable for oily hair and all hair types and textures. It gently cleanses and nourishes while strengthening hair against breakage.

Is Extreme Length Biotin Shampoo good for fine or thin hair?

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.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length

Product ID: 307927976

Details

Age range (description)
Adult
Brand
Redken
Hair type
Damaged
Item form
Liquid
Scent
Green Apple

💪81% less breakage*

📏Up to 6 inches growth/year

🧪Biotin-infused formula

¥8733

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Description

🚀 Unlock your hair’s extreme length potential with Redken’s biotin power!

DAMAGE DEFENSE DAILY - Ideal for daily use to protect delicate hair from wear and breakage.
BIOTIN BOOST FOR STRENGTH - Advanced biotin formula reinforces hair from root to tip for resilient strands.
LENGTH FORTIFYING SCIENCE - Promotes a healthy scalp and supports up to 6 inches of hair growth annually.
GENTLE YET POWERFUL CLEANSE - Pro-prescribed shampoo that removes impurities without stripping fragile hair.
REFRESHING GREEN APPLE SCENT - Invigorates your haircare routine with a crisp, energizing fragrance.

Redken Extreme Length Shampoo is a biotin-enriched, professional-grade formula designed to gently cleanse and fortify fragile, breakage-prone hair. Clinically shown to reduce breakage by 81% and support up to 6 inches of hair growth per year, it promotes a healthy scalp and resilient lengths. With a refreshing green apple scent and daily damage defense, it’s the ultimate choice for millennials seeking longer, stronger hair backed by cutting-edge hair science.

Specifications

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	4,027 in Beauty ( See Top 100 in Beauty ) 186 in Shampoos (Beauty)
Brand	Redken
Brand Name	Redken
Collection Name	Extreme Length
Country Of Origin	España
Customer Reviews	4.6 out of 5 stars 4,493 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

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

¥8733

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

View all Trustpilot reviews