- Hair Care
- Treatments
- Hair Oils & Serums
- L'Oréal Professionnel Serioxyl Thicker Hair Treatment
L'Oréal Professionnel Serioxyl Thicker Hair Treatment
This item is currently out of stock
Get notified when it's back in stock

Product Description
Transform your fine or thin hair into thick, lustrous locks with the L'Oréal Professionnel Serioxyl Thicker Hair Serum. Safe for use on colour-treated hair, this super serum promises and delivers instantly thicker-looking hair. This serum is a game changer for you thicker hair seekers, as it leaves your hair feeling and looking denser and fuller.
The serum works on each individual strand of your hair, thickening each one with Intra-Cylane. The serum creates volume too, so it really is the holy grail for those with finer hair types.
This serum is not just a one-time-only hair thickener. Continuous use will improve the structure of your hair, giving your scalp and follicles the boost they need to stimulate strong, healthy hair growth. You can use a little of this serum on non-hair-washing days too to add some extra oomph.
First use the L'Oréal Professionnel Serioxyl Clarifying & Densifying Shampoo For Natural Thinning Hair. Complete the set with L'Oréal Professionnel Serioxyl Thickening & Detangling Conditioner. You might also like L'Oréal Professionnel Serioxyl Advanced Denser Hair Treatment For Thinning Hair.

Written by Rebecca Jenkinson, Beauty Editor
Product details
Hair Type: Fine
Hair Benefit: Thickening/volumising, strengthening
Hair Concern: Hair loss/thinning, weak
Ingredient Highlights: Contains ahas, castor oil, glycerin and lactic acid.
Good to know: Hypoallergenic.
Ingredient Features
The lactic acid in this L'Oréal Professionnel hair treatment product is perfect for those looking to boost hair growth and to smooth dry hair. The glycerin in this item will also work to alleviate an itchy scalp and to moisturise dry hair.
How do you use it?
- Apply to towel-dried hair
- Dry and style as normal
- Blow dry your hair for extra volume
L'Oréal Professionnel Serioxyl bio
Discover the Serioxyl hair care range from L’Oréal Professionnel, specifically formulated for fine and thinning hair. The products work to immediately help hair look denser and lifted. Explore the collection today and get on the path to making your hair feel thick and healthy.
How can I sign up for a stock alert?
We’ll let you know when it’s back in stock, just create an alert further up this page.
Delivery & Returns
This product is eligible for free standard delivery with Gorgeous Shop. Orders are expected to arrive 1-4 days after dispatch. Express/Next day delivery option available. Delivery generally available throughout Europe, delivery costs vary by region, please select your region during checkout for up to date costs and options.
This retailer has a 50 day return policy, see checkout for up-to-date conditions.