ThickTails Root Stimulating Leave-In Serum is a lightweight, fast-absorbing scalp and hair treatment formulated to help reduce hair breakage, thinning and excessive shedding. Ideal for daily use, this leave-in serum is specifically designed to target areas prone to hair density loss—such as the temples, sides, and crown—supporting fuller, stronger-looking hair over time.Powered by science-backed ingredients including caffeine, biotin, niacinamide, and botanical extracts, this advanced formula works to stimulate the scalp and strengthen hair strands from the root. Acetyl Tetrapeptide-3 and Red Clover Extract help support the natural hair growth cycle, while Saw Palmetto Extract is known to help combat breakage and hair fall.ThickTails serum is suitable for all hair types and textures, including colour-treated and fine hair. It is free from sulphates, parabens, phthalates and harsh chemicals, making it a gentle yet effective solution for everyday use. It’s also vegan and cruelty-free.The serum absorbs quickly without leaving residue, making it easy to apply before styling or bedtime. With continued use, hair may appear fuller, stronger and more voluminous.Trusted by women across the UK and beyond, ThickTails is dedicated to providing high-performance haircare solutions that are safe, effective, and easy to integrate into your daily routine. Reveal your hair’s potential and enjoy the confidence of visibly revitalised locks.SUPPORTS SCALP HEALTH – Formulated with caffeine, biotin, and botanical extracts to nourish and invigorate the scalp, promoting a fuller, more vibrant appearance.TARGETED HAIR CARE – Ideal for use on the temples, sides and crown, where hair often appears thinner. Supports stronger roots and improved density.STRENGTHEN & PROTECT – Helps reinforce fragile hair strands and reduce breakage caused by stress, styling, or hormonal imbalance.LIGHT & NON-GREASY – Quick-absorbing, non-oily formula leaves no residue. Perfect for everyday use without disrupting your hair routine.SCIENCE-BACKED INGREDIENTS – Includes Acetyl Tetrapeptide-3, Red Clover Extract and Saw Palmetto—renowned for their hair-supporting properties.GENTLE, CLEAN FORMULA – Free from sulphates, parabens and harsh additives. Cruelty-free, vegan-friendly and suitable for sensitive scalps.VISIBLE RESULTS OVER TIME – With regular use, users may notice visibly stronger, thicker-feeling hair and improved scalp vitality.
VISIBLE RESULTS OVER TIME – With regular use, users may notice visibly stronger, thicker-feeling hair and improved scalp vitality.
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£4.99
Next Day Delivery
£5.99
Premium DPD Next Day Delivery
£6.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£6.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
ThickTails Root Stimulating Leave-In Serum is a lightweight, fast-absorbing scalp and hair treatment formulated to help reduce hair breakage, thinning and excessive shedding. Ideal for daily use, this leave-in serum is specifically designed to target areas prone to hair density loss—such as the temples, sides, and crown—supporting fuller, stronger-looking hair over time.Powered by science-backed ingredients including caffeine, biotin, niacinamide, and botanical extracts, this advanced formula works to stimulate the scalp and strengthen hair strands from the root. Acetyl Tetrapeptide-3 and Red Clover Extract help support the natural hair growth cycle, while Saw Palmetto Extract is known to help combat breakage and hair fall.ThickTails serum is suitable for all hair types and textures, including colour-treated and fine hair. It is free from sulphates, parabens, phthalates and harsh chemicals, making it a gentle yet effective solution for everyday use. It’s also vegan and cruelty-free.The serum absorbs quickly without leaving residue, making it easy to apply before styling or bedtime. With continued use, hair may appear fuller, stronger and more voluminous.Trusted by women across the UK and beyond, ThickTails is dedicated to providing high-performance haircare solutions that are safe, effective, and easy to integrate into your daily routine. Reveal your hair’s potential and enjoy the confidence of visibly revitalised locks.SUPPORTS SCALP HEALTH – Formulated with caffeine, biotin, and botanical extracts to nourish and invigorate the scalp, promoting a fuller, more vibrant appearance.TARGETED HAIR CARE – Ideal for use on the temples, sides and crown, where hair often appears thinner. Supports stronger roots and improved density.STRENGTHEN & PROTECT – Helps reinforce fragile hair strands and reduce breakage caused by stress, styling, or hormonal imbalance.LIGHT & NON-GREASY – Quick-absorbing, non-oily formula leaves no residue. Perfect for everyday use without disrupting your hair routine.SCIENCE-BACKED INGREDIENTS – Includes Acetyl Tetrapeptide-3, Red Clover Extract and Saw Palmetto—renowned for their hair-supporting properties.GENTLE, CLEAN FORMULA – Free from sulphates, parabens and harsh additives. Cruelty-free, vegan-friendly and suitable for sensitive scalps.VISIBLE RESULTS OVER TIME – With regular use, users may notice visibly stronger, thicker-feeling hair and improved scalp vitality.
VISIBLE RESULTS OVER TIME – With regular use, users may notice visibly stronger, thicker-feeling hair and improved scalp vitality.
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£4.99
Next Day Delivery
£5.99
Premium DPD Next Day Delivery
£6.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£6.99
Unlimited free delivery for a year with Unlimited Delivery for £14.99
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 28 days from the day you receive it, to send something back.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.