K18

K18 molecular repair hair oil

4.4

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What our community says

4.4

31 reviews
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Age range

40 - 44

Skin types

Dry skin, Aging skin

Holy grail of oils

This is magic in a bottle, it's lightweight and non greasy, feels amazing on the hair and repairs too! Leave my hair soft and shiny and can be used as a stand alone without other products in the range ! This should be on everyones dressing table and in Thier hair routine

Age range

20 - 24

Skin types

Combined skin

Lightweight, nourishing, and frizz-fighting!!

The K18 Molecular Repair Hair Oil is a lightweight yet nourishing treatment that really improves the look and feel of my hair. It smooths frizz, adds shine, and leaves hair feeling soft without weighing it down. I’ve noticed that my ends feel healthier and less dry, and it makes styling much easier. The oil has a subtle, pleasant scent and a little goes a long way, making it really practical for regular use. It works well on both damp and dry hair, providing hydration and manageability throughout the day. Overall, it’s a reliable hair oil that strengthens and smooths hair while keeping it light, soft, and shiny — a definite staple in any haircare routine.

Age range

20 - 24

Skin types

Combined skin, Dry skin

Really good does wonders

The K18 Molecular Repair Hair Oil is more than just a finishing product — it’s designed to work at a deeper level to actually repair damaged hair rather than simply coating it for temporary shine. Packaged in a sleek, modern bottle with a pump dispenser, it feels like a high-performance treatment that blends science with practicality. The texture is ultra-lightweight, almost serum-like, so it doesn’t weigh hair down or leave it greasy, which is often the issue with traditional oils. It absorbs quickly and can be used on damp or dry hair. Immediately, it tames frizz, smooths flyaways, and adds a healthy-looking sheen. Over time, it claims to strengthen and rebuild hair from the inside, thanks to its patented peptide technology that reconnects broken keratin chains. What sets K18 apart is that it’s not just cosmetic — with regular use, hair feels stronger, softer, and more resilient to heat and chemical damage. For those who frequently bleach, color, or use heat tools, this oil can be a game-changer. The only drawback is the price — it’s definitely an investment compared to standard oils. However, since you only need a few drops per use, the bottle lasts a long time. Only thing downside is the price point

Age range

25 - 29

Skin types

Normal skin

hair oil k18

I have never tested this hair oil but I think this one is SO nice! it helps mega well against frizz and much more. I think this is really the perfect hair oil for my hair! I hope I can test these from wearereves! really awesome

Translated from Dutch by AWS 
4 out of 31 reviews