THIKK
THIKK Keratin Hair Thickening Fibres
THIKK Keratin Hair Thickening Fibres
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THIKK Hair Thickening Fibres
Instantly Fuller, Natural-Looking Hair
100% Natural Keratin & Biotin-Infused Fibres
Premium hair-thickening fibres made from natural keratin protein — the same protein found in your own hair. Instantly add volume and fullness to thinning or fine hair.
Undetectable, Natural Finish
Available in 9 shades, our colour fibres blend seamlessly with your natural hair for a look that’s virtually invisible, even up close.
Quick & Easy Application
The precision applicator bottle makes targeting thinning areas effortless. Shake on, blend lightly, and enjoy thicker-looking hair in seconds.
All-Day Confidence
Static-charged keratin fibres bond securely to your existing hair, staying in place through your day until you wash them out.
Unisex & Versatile
Suitable for men and women, and for all hair types. Ideal for boosting overall density or filling in specific thinning spots.
Find Your Perfect Shade & Size
Choose from 3 convenient sizes to suit your needs:
5g Mini – Perfect for testing shades, travel, or quick touch-ups. Lasts a few days on fine hair.
15g – Ideal for lighter or every-other-day use.
30g – Best value. Lasts up to 4 weeks with daily use on fine hair.
💡 Tip: You get 3 x the amount of a mini for less than double the cost when you buy a 15g or 30g for THIKK daily use. Save 15% if you subscribe to monthly delivery a great saving!
FREE delivery when you spend over £25 on THIKK products!
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⭐️⭐️⭐️⭐️⭐️ Life-Changing Confidence Boost
I experienced hair loss due to extreme stress and PTSD, and finding something that genuinely helped without making me feel self-conscious was incredibly important to me. This product has honestly been a game changer.
The fibres blend perfectly with my natural hair and are completely undetectable even up close. Application takes seconds, and once it’s on, it stays in place all day without flaking or looking fake. It gives my hair a fuller, natural look that instantly boosts my confidence.
What I appreciate most is how gentle and easy it is to use. On days when stress feels overwhelming, this gives me back a sense of control and helps me feel like myself again.
I can’t recommend this enough to anyone dealing with thinning hair, especially if it’s stress related. Truly an amazing product that delivers exactly what it promises.
Thank you, Jessica.Barlow 💕
It didn't stay in my scalp. Didnt last all day. Was disappointed.
Absolutely fantastic! Have tried a few different hair thickening fiber brands! But this one is far superior to anything else I’ve used before. Highly recommend
Very happy with this product, I would highly recommend Thikk products.
Lynne North
Cant thank you enough for this product! 10/10 - does exactly what this product is advertised as! I now have thicker and fuller hair! One very happy customer! Fully recommend!