111SKIN Y Theorem Repair Serum NAC Y2 (30ml)
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£240.00
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Formulated by globally renowned Harley Street cosmetic surgeon, Dr. Yannis Alexandrides, 111SKIN has quickly become the go-to for skin-savvy celebrities (we're talking everyone from Priyanka Chopra to Margot Robbie), beauty editors and skin care obsessives alike. Now you can reap the rewards of this highly effective range in the comfort of your own home with the Y Theorem Repair Serum Light NAC Y2.
Now available in a Light version, The Y Theorem Repair Serum NAC Y2 is the OG skin care product that started this renowned brand - and we can see why!.
Fusing the powerful and patented NAC Y2, exclusive to 111SKIN, this super serum quickly gets to work creating a firmer and stronger complexion. Ideal for rescuing skin that's been exposed to harsher conditions (think safari sun or ski slope rays), it quickly rejuvenates and nourishes by promoting the body's natural antioxidant glutathione, supporting collagen and elastin production. Not only that, but this potent concoction has an incredible ability to fade discolouration, visibly reduce the look of lines and protects against sun damage... Considering this has been tested in space, we aren't surprised it's so hardworking.
Aqua / Water / Eau, Glycerin, Alcohol, Benzyl Alcohol, Aloe Barbadensis (Aloe Vera) Extract, Calendula Officinalis Extract, Carbomer, Propylene Glycol, Sodium Hydroxide, Aesculus Hippocastanum (Horse Chestnut / Marron) Seed Extract, Sodium Ascorbyl Phosphate, Panthenol, Niacinamide, Thiamine, Riboflavin, Pyridoxine, Cyanocobalamin, Glycyrrhiza Glabra (Liquorice / Réglisse) Root Extract, Prunus Armeniaca (Apricot / Abricot) Kernel Oil, Acetyl Cysteine, Tocopherol, Olus Oil, Citric Acid, Sodium Benzoate, Potassium Sorbate, Parfum / Fragrance.
For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.
After cleansing, distribute 1-2 pumps between your fingertips and apply to your face and neck in an upward motion. If used as part of a 111SKIN regimen, follow with 111SKIN Y Theorem Day Cream NAC Y² or Y Theorem Day Cream Light NAC Y².
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Top Customer Reviews
Thanks for sharing your thoughts! Please remember that results will vary from person to person. We're proud to say that all customer reviews are independent, authentic and do not represent the views of Cult Beauty or The Hut Group.
Not worth the price tag
I ordered this last year in hopes to minimise signs of discolouration I have, but to be honest, it wasn’t such a miracle as I expected. It has nice consistency and makes your skin feel plump, but beyond that I didn’t feel there was any additional benefit unfortunately
by Dom
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Mind blowing results
I got a sample sachet with my purchase, I didnt know this is such an effective serum, I could see the results on the first night I applied, in the morning my skin was clearer, plump and fresh this also helped in healing my pimples. I want to purchase a full size bottle now.
by Dia khan
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Nice but overpriced
I got a big sample of this in one of the goody bags, which lasted me about 3 weeks - I used it morning and night most days. I wasn't using a serum before, and I've definitely seen an improvement in my skin since using this - more plumpness and less redness especially. However, I suspect I could have got these results at a much, much lower price.
by Becky
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Amazing for broken skin
Used it every time when I have irritations or scars on my skin and this serum will calm my skin down overnight. A must-have post-treatment.
by Evie
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Average
I chose this product as my "sample" twice from Cult Beauty to get a real feel for it. It's obviously ridiculously expensive so I was expecting a lot. I have no huge issues with my skin, just blackheads and pores, so I've been putting it on my nose, cheeks, chin and forehead mainly where my blackheads are to see if it would minimise or diminish them and I haven't seen any results so far. One sample lasted me a week as I used it super sparingly and I'm now onto the second, so you do get a nice amount in the sample. I understand perhaps you wouldn't see results this fast, but I haven't noticed anything drastic, which you'd expect for the price. I did think one morning my pores were a little smaller but looking back now.. they look the same. Think I was just trying to look for something as I had high hopes! Buy it if you have the money spare but I assume you could find better. I'm 24, and my skin is normal/combination.
by Samantha
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Great product
I received this in the summer goody bag and thought it might be another fad product but boy was I wrong! I use this daily on top of my strong retinol at night and it’s the only thing that stops that dreaded retinol peel effect. The trial size has lasted ages as you only need a small amount but I will be purchasing the full size when It runs out. 4 out of 5 stars due to the ridiculously expensive price tag but I really couldn’t be without it!
by Foz
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Feels like cologne
It works great but the scent is overpowering in my opinion. Feels like i’ve just put straight up cologne on my face and makes me slightly concerned about irritation.
by Marzi
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Just ok...
I absolutely hated the rose gold face mask as well as the black diamond eye mask from this brand. Especially due to the incredible amount of perfume in it. So was very sceptical when trying this. Turns out it‘s half that bad. Perfume is ok, at least it is not overpowering and does not linger. I actually liked the lightweight consistency and found it sinked in right away. I used it for 3 weeks without seeing any results. So probably not quite for me, but at least it did not cause any irritation nor migraines (like the two masks from the same brand did).
by Dani Ella
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Outstanding Result
I found this serum heals and evens out my acne scars. Skin is very refined, soft and firm. Pricey, but the result is extravagant!!!
by Kwang
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Not for sensitive skin
It has a nice, light texture and absorbs quickly but got horrible breakouts after using it so if you have sensitive skin, this is not your product.
by Em
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