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The three highly concentrated sera in top quality from the TetCode4 concept in one bundle. Thanks to their modular structure, together they form a natural protective shield that allows your skin to shine – while effectively arming it to fend off the attacks of everyday life. Enjoy this perfect complement to classic cosmetics.
Vitamin A (retinol) is an excellently researched, highly regarded anti-ageing substance, which is a must for any effective product designed to care for skin that is showing signs of ageing. This makes it an essential part of TetCode4. Vitamin A is effective at inhibiting the enzymes that break down precious collagen, which lends the skin volume and elasticity. This means the collagen-building activities prevail, so the skin can breathe a sigh of relief and remain naturally beautiful.
Hyaluron specialises in moisture retention and works effectively all the way down to the deeper layers of skin. It reduces irritation and plumps up the skin, making it a must for any bathroom cabinet worth its salt. The serum from the Prof. Dr. Steinkraus range is particularly effective: with 2.5% hyaluron, it is highly concentrated and contains all three molecular sizes of hyaluron. This is crucial because it offers you outstanding penetration twinned with both immediate and longterm effects. You can use hyaluron serum on its own, but we recommend applying it with the vitamin A or C serums. The combination results in synergies that significantly enhance the efficacy of the individual products. This delivers a real boost for your skin.
