Haircare has become an essential part of our routines. While wash day can feel like a chore, the fresh feeling afterward is unbeatable. We have entered an era of greater hair care, using cleansing shampoos, strengthening conditioners, and leave-in treatments that nourish and protect hair follicles. One brand leading the charge is K18, known for its innovative products created with specialized biotech and biomimetics to address hair concerns.
The K18 x Future Society Collaboration
K18 recently teamed up with Future Society, a brand that focuses on biology and science, to launch a limited-edition product: the Leave-in Molecular Repair Hair Mask. This product usually retails for £70, but an exclusive Metro Deal offers it for just £29.99, saving you 57%. It is selling fast, so do not wait to take advantage of this offer.
How It Works
The mask combines K18's signature K18PEPTIDE with Future Society's biotech-revived Floating Forest fragrance. It works in just four minutes, restoring strength, softness, and smoothness while reversing damage from coloring, bleaching, heat, and chemicals. Use it after shampooing—no need for conditioner or rinsing.
User Reviews
One five-star reviewer said: 'Game changer! I have only been using this for about a month, but I noticed the difference right away. My hair looks healthier and thicker at the ends. The scent is amazing—it smells fresh, musky, clean, and aquatic. A little goes a long way; half a pump is perfect for my fine hair. Does not feel greasy.'
Another user added: 'I have been on a journey with my hair over the last two years, and this product has made the biggest difference. After a few uses, my hair became smoother, shinier, and healthier. One pump is enough for my fine hair. It is expensive but well worth it.'
Why This Mask Stands Out
The K18 Leave-in Molecular Repair Hair Mask is a quick, easy addition to your routine. It uses biotech peptides to repair damaged hair in minutes, leaving it glossy and healthy. The limited-edition collaboration with Future Society adds a unique fragrance made from extinct flower DNA, making it a luxurious experience.
Don't miss out on this deal—grab the £70 product for just £29.99 while stocks last. Follow Metro on social media for more deals and updates.



