Carefully formulated, sensorial and so effective that they become magical!

Charte de formulation écologique et éthique Garancia

A fourth-generation pharmacist, I hold a deep conviction: cosmetics can be naturally inspired, highly effective, and meticulously formulated all at once.

I remember the oath I took, like all French pharmacists, the Oath of Galen. In this text, which contains the foundations of my profession's ethics and deontology, there is a particular commitment that dictates my daily formulation work.

I know very well what a toxic or undesirable molecule is, and I perfectly understand the current concerns of some consumers. Toxicity is linked to dosage. For example, digitalin, extracted from the purple foxglove plant, can save a human life from a heart attack at a small dose but becomes a deadly poison if the dose is higher. It's all a question of dosage!

Transparency and ethics are essential today in the relationship of trust between a cosmetic brand and its customers.

This duty of transparency and ethics is at the heart of my formulas.

What Savéria Coste’s formulas contain

Engagements et valeurs du Laboratoire Garancia

I select ingredients whose effectiveness is proven by a clinical study

Efficiency and speed are at the heart of Laboratoire Garancia's DNA.


My formulas keep pace with the constant progress of science. For every ingredient selected, I always ask myself: can I substitute it with something better? With advances in cosmetic research, we improve certain products to introduce the very latest innovations. We constantly improve our formulas to offer the safest and most effective products for our skin.

Schéma explicatif de la technologie huile dans l'eau Garancia

My ingredient list in a product is intentionally short whenever possible.

It is not the number of ingredients that makes a formula effective but their quality and degree of concentration. For maximum effectiveness, my formulas have a high % of active ingredients and I have no budget limit in the cost of my formulas if this must provide superior effectiveness.

Flacon du sérum anti-taches Éclair de Lune Absolu Garancia

I combine the best of science with the best of nature.

Always combine the best of nature with the best of science for quickly visible results. A synthetic active ingredient derived from high technology does not mean "dubious ingredient." Far from it. Some peptides are among the most effective molecules today. And conversely, the "organic" nature of an ingredient or product does not prejudge its effectiveness or performance in a given formula. I am not an "extremist" of organic/natural or synthetic: I combine natural and high-tech active ingredients. My products contain mostly between 95% and 99% ingredients of natural origin. What matters to me is the fastest efficacy with "beautiful" formulas that are as natural as possible.

Piliers de marque du Laboratoire Garancia

I select emulsifiers of natural origin and, if possible, “intelligent”.

In addition to their basic role of creating an emulsion, they will also have a beneficial action in the formula such as moisturizing and protecting the skin, helping the penetration of active ingredients or even being formulated cold to reduce the energy impact.

Bannière de l'offre de bienvenue Abracadabra Garancia

I design my formulas with exacting standards, but also so that they are sensory, evocative of dreams and emotions.

Beauty is inseparable from pleasure. My creams must speak to our skin and our senses. The sense of smell is very important. Certain scent molecules stimulate specific areas of our brain and can be beneficial for the skin. Did you know that it was recently discovered that there are even olfactory receptors in the epidermis? My creams have a light and enchanting fragrance. I use an allergen-free, label-friendly fragrance in very low doses for most of my treatments, as well as antique rose or orange blossom fragrances from our childhood for those who are not allergic to these scents and wish to travel back in their memories…

What the formulas of Laboratoire Garancia do not contain