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What We Do NOT Use


We use only 100% USDA certified organic ingredients.

Very few ingredients are not organic because there are no organic alternatives yet (for example, Sunflower Vitamin E - but still GMO-free)

We do not use ANY synthetics whatsoever:

  • Perfumes or fragrances - contain hormone disrupting phthalates and cancer causing components (as well as the whole lot of other unknown and not yet thoroughly tested things)

Instead: we use essential oils and rely on the natural scent of the base ingredients. Why fake coconut scent with synthetic fragrance when you can use real organic virgin coconut oil?

  • Dyes - carcinogenic and irritating for the skin

Instead: we play with beautiful natural colors that our organic ingredients have to offer. 

  • Vitamins, Proteins, etc. - did you know that many of them come in synthetic form? Usually this means a less potent formulation.

For example, vitamin E that we use comes in the form of full spectrum natural Vitamin E (mixed tocopherols) which offer full youth promoting benefits of this essential vitamin, whereas most producers prefer to cut costs with tocopheryl acetate - can you see the difference? 

  • Synthetic Actives - we use only 100% organic and ONLY active ingredients in our pure, potent formulas. Synthetic actives, as you have seen in the example with vitamin E, are not as bioavailable in our opinion and do not belong on our bodies.


  • Clean or safe synthetics - the jury is out there to prove whether synthetics with such claims are truly clean and safe. Unfortunately, quite often synthetic components/drugs that were recognized as safe by FDA lost this status after decades of wide use. We are all free to make a decision on whether or not we want to be guinea pigs for the novel synthetics and hopefully many of them are truly not harmful. However, at Thesis we vowed to provide completely pure organic skincare products and we will stay true to our promise. We simply believe that for daily maintenance and optimal health your body requires the molecules that have been in nature throughout the history of human body evolution. 


We avoid preservatives.

The reason for it is because many are irritating, synthetically produced and are not favorable for skin's natural macrobiota (beneficial bacteria that live on our skin and support its health).

Why can we get away with this when most other brands can't?

We do not use water in our formulas - only organic butters, oils, plant powders  and other anhydrous organic ingredients that do not call for preservatives.

However, if you see water (aqua) within the formula, usually as a first ingredients, you need to look what preservatives the formula relies on for safety. The most common preservatives are parabens and phenoxyethanol.

Some other cosmetic preservatives masquerading as natural are sorbic acid, glucono delta lactone, potassium sorbate, sodium benzoate and others. The main reason they are being called natural is because they are derived from some natural ingredients, but the end result is a synthetic molecule. Manufacturers also call them food-grade because technically many of them are allowed as food additives - so beware of those ingredients in your packaged food products and read labels carefully.


We do not use water for several reasons. 
- it will call for preservatives in the final formula
- it will dilute the precious concentrate of the potent ingredients
- it may compromise stability of the base ingredients so you will not get the full benefits of the product
- it adds unnecessary volume to the packaging which is a waste of resources


  • Water is one of the major fillers in the cosmetic industry.

We don't have any objections against water per se, some water-based formulas have the right to be. However many of them have their own disadvantages described above.

  • Texture enhancers are often synthetic ingredients, such as pearlizers, and many other synthetic ingredients that help improve the feel of the product.



At Thesis, what you see is what you get.

We are fully transparent about what we put into the products and what we will never put in.

  • No hidden ingredients
For example, ingredients such as Perfume or Fragrance can have a very complex composition which is still not necessary to disclose neither by the ingredient, nor the product manufacturer. Among those compounds can be carcinogenic, hormone disrupting, and skin sensitizing components. In Europe, they demand skincare manufacturers to list on the label some of the components that are part of the natural essential oils, but remarkably all fashion perfume and conventional perfumed skincare can still legally get away with Perfume/Fragrance on the label.
  • No gimmicky packaging that tricks you into thinking there is more product than there is

You know, when a really big jar has a second bottom or maybe a double-walled jar which is like one jar set inside another with empty space in between. Or my favorite - concave bottom and a convex lid. You think you are buying a huge jar of something (regardless of the Net weight number), your mind tricks you into thinking its a great value - or rather the smart manufacturers know how to play people's brains. 

  • No gimmicky ingredients

The most exploited ones are aloe vera (which often means something like 99% water and 1% aloe vera) or herbal infusion (basically herbal tea which is 99% water).