
Tink Caffeine + Allantoin Eye Contour Serum is a product with 18 ingredients: Water, Persea Gratissima (Avocado) Oil, Argania Spinosa (Argan) Kernel Oil, Glycerin, Ethylhexyl Olivate, Sodium Acrylates Copolymer, Polyglyceryl-4 Olivate, Caffeine, Allantoin, Propanediol and 8 more.
Contains: AHA - Citric Acid; Vitamins - Tocopheryl Acetate; Antioxidant - Persea Gratissima (Avocado) Oil, Argania Spinosa (Argan) Kernel Oil, Caffeine, Tocopheryl Acetate, Ferulic Acid, Citric Acid;
Organic score: 33% natural, 44% chemical. Vegan - No; Cruelty free - No; Reef safe - Yes;
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INCI - Full Breakdown
Water is a great solvent. It’s neutral and doesn’t provide any strong positive or negative effects. It just helps components to mix better and to transport active components.


Avocado oil is a natural ingredient with an excellent rejuvenating and moisturizing effect. It's so effective because it contains a lot of squalene - a very strong chemical that protects the skin and helps to keep it hydrated. It's also a nice antioxidant that helps to slower aging. Avocado oil also contains different vitamins (A, B, E), lecithin, and beta-carotene.
This oil consists of Olein and Linoleic acids mostly. It also contains a lot of Tocopherol. That's why it's a great component to counter ageing. It soaks into the skin pretty fast without leaving an oily film. It makes the skin feel silky and helps to recover hydro-lipid layer, increases its firmness and elasticity.

Glycerin is one of the most outstanding and helpful skincare components. It's used in many skincare products because it works and provides notable results. It's one of the best moisturizers. Molecules of Glycerin can absorb water and deliver it into deep layers of the skin making it hydrated.

Caffeine stimulates all the processes inside skin cells. It's very effective for reducing swelling on the face (especially great for under the eyes area). The effectiveness depends on the concentration, the more component you apply the better the effect will be.
It also tones up the skin making it look younger. It's great for dry skin because it stimulates the synthesis of cholesterol, a chemical that helps to form a protective layer on the surface of the epidermis.


Allantoin usually doesn’t catch too much attention, but it is an essential ingredient for sensitive, dry, and problem skin. It is a good moisturizer that makes skin hydrated. But manufacturers love it because of its strong soothing effect. It also exfoliates dead cells, stimulates recovery of your skin, and helps to protect the skin from the sun, frost, and similar negative impacts.
The component is researched very well and its soothing activity is confirmed by scientists. Used in concentration between 0.5-2%.
Propanediol is a good solvent, emollient and humectant. It helps to moisturize the skin and prevent moisture loss. In haircare products, it conditions hair and improves absorption of the product.
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