The Protective Duo

Rated 4.7 out of 5
Based on 69 reviews
£210 sold out
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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 69 reviews
  • 5 Stars
    60 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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69 Reviews
Reviewed by Delphine B., from Switzerland
Verified Buyer
I recommend this product
Skin Type
Sensitive
Age
35-44 y.o
Skin Concerns
  • Dry Skin
  • Sensitive Skin
  • Ageing
  • Dullness
Rated 5 out of 5
Review posted

Amazing for sensitive skin

My super sensitive skin loves this serum! Since I started using it I no longer have any red patches and my skin also looks brighter and smoother than before.

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Reviewed by ketty, from United Kingdom
Verified Buyer
I recommend this product
Skin Type
Combination
Age
25-34 y.o
Skin Concerns
  • Redness
  • Sensitive Skin
Rated 5 out of 5
Review posted

magic serum for my skin

I have experienced very sensitive skin recently due to a trip and this serum was my life saver!

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Reviewed by Alecia M., from United States
I recommend this product
Skin Type
Sensitive
Age
35-45 y.o
Skin Concerns
  • Sensitive Skin
  • Acne & Blemishes
  • Ageing
Rated 5 out of 5
Review posted

Favorite

I love this brand . One of my favorite 111skin serums

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Reviewed by Rebecca L., from United States
Verified Buyer
I recommend this product
Skin Type
Dry
Age
25-34 y.o
Skin Concerns
  • Redness
Rated 5 out of 5
Review posted

Amazing

I received this in an Ipsy bag and was sold on the product immediately. This is the third time I’ve purchased it, and will continue to do so! Improves my skin almost immediately with no irritation or drying it out.

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Reviewed by Phuong N.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

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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