What these 5 natural hero ingredients can do for your skin

5 underrated ingredients that truly improve your skincare

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Ingredient 1

Natural hyaluronic acid: the skin's moisture reservoir

Hyaluronic acid binds many times its own weight in water, holding moisture in the skin where it is needed and helping it look plumper and smoother. Its ability to measurably increase skin hydration is well established in research. Our source is plant-based, derived from the cassia seed. INCI: Cassia Angustifolia Seed Polysaccharide

binds moisture · for plump skin · well studied · 100% natural

Ingredient 2

Aloe vera: soothes what is irritated

Aloe vera is more than a gel for sunburn. The leaf pulp contains polysaccharides that hydrate, along with compounds that can soothe irritated skin. This is especially valuable for sensitive skin, because aloe adds moisture without feeling heavy. Studies point to skin-soothing and hydrating effects. Underrated because it works quietly, and that is exactly the point.

Calms and soothes · Less visible redness · Ideal for sensitive skin

Ingredient 3

Prickly pear: antioxidants from the Mexican desert

The prickly pear survives extreme sun and drought, and that is exactly what makes its extract interesting. It is rich in antioxidants such as betalains, flavonoids and natural vitamin E, which can protect the skin from free radicals, while also providing moisture. In research, Opuntia ficus-indica is considered a promising source of antioxidants. An ingredient almost no one has on their radar.

Antioxidant · hydrating · for sensitive skin ·

All five ingredients in one duo

Skin Refining Duo: Hydrating Toner (95 ml) + Regenerating Serum (45 ml)

4.8 ★ from over 1,800 reviews

Ingredient 4

Tepezcohuite: the skin tree of Mexico

Tepezcohuite has been used in Mexico for generations, where the bark is known as the skin tree. It is rich in tannins that gently tighten the skin's surface so it holds moisture better, and in arabinogalactans that support the skin's natural renewal. Its natural antioxidants also help protect against everyday environmental stress. Unlike the others on this list, it is not underrated so much as overlooked outside Mexico, and it sits at the heart of both the toner and the serum, which is why it anchors the whole duo.

Strengthens the barrier · Smoother, renewed skin · Our signature hero

Ingredient 5

Vitamin E: the shield for the skin barrier

Vitamin E (tocopherol) is one of the best-studied antioxidants in skincare. It protects the lipids of the skin barrier from oxidation, supports moisture retention and stabilises other ingredients in the formula. In the Skin Refining Duo it works together with the natural antioxidants from prickly pear and tepezochuite. Not a trend ingredient, but a reliable classic with a solid body of research.

Antioxidant shield · Stronger skin barrier · Reliable, well-documented

The study on the Regenerating Serum

24.6% less wrinkle depth after 6 weeks

Ingredients are one thing, the finished formula another. The Regenerating Serum from the Skin Refining Duo was clinically tested: in a user study, wrinkle depth decreased by 24.6% after six weeks, measured with the PRIMOS® 3D skin scan. Dermatest rates its skin compatibility as "very good".

Dermatest certified · PRIMOS 3D study · independently tested

What our customers say

Dina T.

July ‘26 · Age Group: 35-44

Super pleasant

I'm thrilled. The product is absorbed quickly and the skin feels fresh after use. I'm ordering again.

Skin Refining Duo - Tepezcohuite
Skin Refining Duo - Tepezcohuite
Steps 04→05 • 2 items

Diana M.

July ‘26 · Age Group: 45-54

I should have taken a photo earlier

The products are very good, immediate results. I bought them after almost a year because they are really so economical to use. This year I bought them at an even better price. I'll buy again for sure.

Skin Refining Duo - Tepezcohuite
Skin Refining Duo - Tepezcohuite
Steps 04→05 • 2 items

Grit V.

June‘26 · Age Group: 55-64

Great products, great skin

I have been taking the products for about 1 year and I am very impressed. I'm sometimes asked how good my skin looks and how I do it.

I guess that says it all!

Skin Refining Duo - Tepezcohuite
Skin Refining Duo - Tepezcohuite
Steps 04→05 • 2 items