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GLYCONIGHT 10% MASK, the clean peel that gives skin new life.
This night mask peel with 10% pure glycolic acid has proven triple effectiveness: anti-aging, new skin effect, radiance.
It can be used as a radiance boost, flash or intensive treatment. The results are visible from the first waking up, and are reinforced with each application!

  • Formulation prowess: clean and vegan formula with 10% pure glycolic acid
  • Proven, visible, triple-action effectiveness: anti-aging, new skin appearance, radiance
  • Triple use: radiance boost, flash cure, intensive cure
  • Intergenerational, mixed, suitable for all skin type


Tolerance tested by dermalogists
1 Clinical and instrumental study conducted by a dermatologist -
15 volunteers aged 20 to 39 years (1 month) et 15 volunteers
40 to 55 years (2 months). Product applied all night long, every
other night for the first week and every night for the weeks
thereafter. Average of results, both groups together – 1 month.
The estimated gain in years : group 40-55 years, the women
who responded to questions (n=10 to J28).
2 Evaluation of dermal density in collagen fibers with ultrasound
(20MHz) for subjects in the 40 to 55 age group during 1 month.

Glyconight 10% Mask

SKU: K2-32760
  • apply In the evening, after cleansing and make-up removal, spray the Yon-Ka Lotion and apply Glyconight 10% Mask in a thin layer on the face, neck and neckline.

    Leave on overnight. Rinse off with warm water the next morning.

    Beauty tip

    Triple use :
    Radiance Mask: 1 application in the evening for a radiance boost the next morning.
    Flash cure: every other evening for 1 week
    Intensive cure (1 to 2 months): every other evening during the 1st week, then every evening during the following weeks. Cure to be repeated 2 to 3 times a year.

  • Organic apricot kernel oil•brown algae•Natural

    polysaccharides•Vegetable glycerin•Yon-Ka Quintessence

    Without Parabens

    Without PEG

    Without Artificial fragrances

    Without Silicone

    The list of ingredients may be subject to change and only the list on the product label is authoritative. Therefore, make sure you read the information on the product's packaging, especially if you are at risk of allergies.


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