The Protective Duo

Rated 4.7 out of 5
Based on 63 reviews
$370
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Shielding and treating the skin, the Protective Duo utilises our signature ingredient, NAC Y2, to protect and repair stressed skin. The Y Theorem Serum was designed and bottled as a result of witnessing significant healing responses post-surgery. Boosting collagen production, supporting cell regeneration and improving elasticity in the skin, the serum is ideal for those whose skin have faced any element of trauma or exposure. Complimented with the NAC Y2 Pollution Defence Booster, this complexion defence protects the skin from physical and blue light damage by combining a powerful complex of peptides and antioxidants. Together this fortifying duo helps to maintain a healthy complexion away from free radicals, inflammation and a weakened skin surface.

 

1 x NAC Y2 Pollution Defence Booster - 20ml

1 x Y Theorem Repair Serum - 30ml


 

Apply 2-3 pumps of the Y Theorem Serum, mixed with 2-3 drops of the NAC Y2 Pollution Defence Booster before pressing into the skin.

 

 

average rating 4.7 out of 5
Based on 63 reviews
  • 5 Stars
    54 Reviews
  • 4 Stars
    5 Reviews
  • 3 Stars
    1 Review
  • 2 Stars
    1 Review
  • 1 Star
    2 Reviews
94% of reviewers would recommend this product to a friend
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63 Reviews
Reviewed by Phuong N.
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5

Is it worth it?

Yes. I was shocked. It’s the only thing I ever tried that made a visible difference the first time I sampled it. In other words, yes it works.

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Reviewed by D G.
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5

Y Serum

Since its inception, Y Serum has been and continues to be the number one product in my skin care regimen, I absolutely love it! I have great skin thanks to 111 Skin❤️

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Reviewed by Hazel L., from United Kingdom
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5
Skin Type
Ageing
Age
over 55 y.o
Skin Concerns
  • Dryness
  • Ageing
  • Sensitivity

My favourite 111skin serum!

This serum definitely helps to calm my sensitive skin. I use it alongside the Y Theorem Day & Night creams.

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Reviewed by Stephanie W.
Verified Reviewer
Review posted
I recommend this product
Rated 5 out of 5

So smoooooth

I received this product from a friend for my birthday and I am in LOVE with it. I mix it with a different brand of moisturizer that I have and the combo is perfect for my skin. I always get compliments on how smooth my face is from my husband and kids. If you are wondering if it is worth the money....the answer is YES!!! It has lasted me almost 2 years because it goes a long way. Looking forward to my new bottle!!!

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Reviewed by Julie F., from United Kingdom
Verified Buyer
Review posted
I recommend this product
Rated 5 out of 5
Skin Type
Dry
Age
over 55 y.o
Skin Concerns
  • Dryness
  • Ageing

Love it ,

My skin feels so soft after using this with the recommended moisturiser

I have experience of this clinic from some years ago and I am always told that I look 10 years younger than my biological age !

I would highly recommend.

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