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Frequently Asked Questions
In order to guarantee the safety of our formulas, we have implemented a very demanding process which counts over 450 measurements and tests on all our products before placed on the market. They are guaranteed without animal tests in accordance with the requirements of the European regulations.
For the particular case of China, local authorities do not recognise yet European alternative (non-animal) test methods to evaluate safety, and may decide to conduct local animal testing to meet Chinese regulatory obligations.
To develop the safest and most effective products for your baby, our researchers need to know the specific characteristics and needs of your baby’s skin. By reconstituting the epidermis of a baby and young child in our laboratories, our teams gain an in-depth knowledge of the skin, its cells and genes, to better understand its physiology and development. This is the world’s first patented epidermis of its kind and only Laboratoires Expanscience’s Mustela researchers are able to perform these experiments. We also use reconstituted epidermises to test the effectiveness and tolerance factor of our products with a high level of precision and reliability.
At every stage of development, beginning with sourcing raw plant materials, product design and development, production, marketing and end of product life, we do everything possible to limit the impact on the environment.
We have applied this strategy as part of our continuous improvement process for several years. For example, all Mustela bottles are recyclable, our cartons are made from paper sourced from sustainably-managed forests, and Mustela Bébé foam formulations are biodegradable.
If you’d like to know more about our commitment to sustainable development, take a look at the Mustela product lifecycle.
A formula is said to be biodegradable if after use, it can be decomposed (digested) naturally by living organisms (micro-organisms).
Biodegradability is an important parameter for characterizing the environmental impact of products released in the wastewater. It depends in part on its ability to be degraded and on the other hand to its rate of digestion in the biological environment.
Our formulas (gels and shampoos) are biodegradable according to the OECD 302B standard. This standardized international standard stipulates that at least 60% of the product is biodegraded in 28 days.
Our responsible sourcing channels aim to best control the traceability of our plant-based active ingredients (avocado perseose, schizandra and sunflower oil distillate), as part of an approach involving a partnership with all players in the supply chain (farmers, local authorities, agronomists, etc.), from cultivation and picking to processing and incorporation into our products.
Regarding, Avocado Perseose, we source from a supply chain located in Peru:
- Respect for the environment and biodiversity
- Respect for the local populations,
- Creation of local economic value
Our approach is monitored by the UEBT (Union for Ethical Bio-trade), which periodically assesses the ethical sourcing practices of our plant-based ingredients.
The majority of the supplies of organic avocados are located on the Pacific Coast, north of Lima, in the following regions:
Yes, our Multi-purpose balm has been designed to limit its impact on the environment. Like every skincare product developed by Laboratoires Expanscience, it follows an eco-socio-design process integrated into the product development process and managed from the concept design stage until the end of its life.
We favor environmentally friendly manufacturing processes and have integrated the concept of green chemistry.
The formula is certified organic according to COSMOS standard, vegan and has a high naturalness rate (99.7%).
Our avocados follow Expanscience's responsible supply chain policy and come from the circular economy. We also use food scraps because we are against waste. In order not to throw anything away, we use the kernel, the pulp and the skin.
In terms of packaging, the aluminum tube is 100% recyclable* and infinitely recyclable. It has been sized to have the right capacity so as not to use unnecessary material. The cap is made of PE and is 100% recyclable.
Finally, the cardboard of the case is from sustainably managed forests.
*According to the sorting criteria of the French market
An active ingredient is biomimetic if it complies with the principle of biomimetism, meaning, it acts in perfect affinity with human skin and mimics its action in human skin in the same way it would behave in nature, in a plant.
This means it is capable of strengthening the skin's function when it has been weakened and helps it mature and develop without disruption.
Avocado perseose, a unifying active ingredient used in new Mustela Bébé formulations, is a biomimetic active ingredient. It has the same effect on the skin as in its original environment, where it helps fruit grow and ripen.
To learn more, visit the Mustela and natural products page.
Since the beginning, we have been giving priority to ingredients of natural origin and we are bringing to the heart of the plant most of the active ingredients and ingredients that make our Mustela products.However, some ingredients essential to the good preservation, the stability or the sensory qualities of our products, do not have their equivalent in the nature. Some natural ingredients may not be compatible with our high demands for efficacy, safety, or pleasure of use. In these cases, we use synthetic ingredients evaluated by health authorities, approved by the regulatory authorities and which have proven their effectiveness and safety for the most sensitive skin. The remaining 5% is therefore ingredients that have no natural equivalent to guarantee the quality, safety and efficiency that we claim on our products. To find out more, we invite you to consult the dedicated section.
We only use carefully-selected substances in our products to guarantee the safest ingredients for you and your baby, while protecting the environment.All of our product are manufactured with no alcohol, essential oils, parabens, phenoxyethanol, phthalates, GMO plant extracts, aluminum chlorohydrate, ingredients of animal origin (except beehives, purified lanolin and milk products), terpenes (camphor, menthol and eucalyptus) and triclosan. To learn more, visit the Mustela and natural products page or download the definition of natural products applied to Laboratoires Expanscience’s dermo-cosmetic products.
Our responsible sourcing channels aim to best control the traceability of our plant-based active ingredients (avocado perseose, schizandra and sunflower oil distillate), as part of an approach involving a partnership with all players in the supply chain (farmers, local authorities, agronomists, etc.), from cultivation and picking to processing and incorporation into our products.Regarding, Avocado Perseose, the flagship ingredient of Mustela baby-children ranges, we source from 2 supply chains located in South Africa (our historical supply chain), and Peru, a more recent supply chain that we are developing based on 3 essentials commitments : - Respect for the evironment and biodiversity - Respect for the local populations, - Creation of local economic value
The percentage of naturalness represents the proportion of ingredients of natural origin in our products.To learn more about our commitments to naturalness, go to the dedicated section on our website.
Our research has revealed that a baby’s skin contains a precious wealth of original cells at birth. Unique to every individual, these cells last a lifetime, but are extremely vulnerable.
After this fundamental discovery, we selected Avocado perseose® to use in our new Mustela Bébé formulations because it meets the specific needs of a baby’s skin starting at birth and as it matures. It helps develop the skin’s barrier function and preserves this same precious wealth of cells by acting as a protective shield against daily stress factors. Avocado perseose® is also part of a new generation of biomimetic active ingredients. Perfectly suited for the delicate skin of babies, it combines proven effectiveness with a high tolerance factor.
Avocado perseose®’s effectiveness and high tolerance factor has been clinically tested and scientifically proven. Avocado perseose® is an exclusive and patented active ingredient and only Mustela products offer its unique benefits.
✓ No, as in all ORGANIC cosmetics, labels require a minimum of 20% ORGANIC ingredients on non-rinsed products and a minimum of 10% ORGANIC ingredients on rinsed products.
✓ We have chosen to go beyond the label requirements and offer a range that includes at least 50% ORGANIC ingredients on average in the ORGANIC baby references.
✓ The other ingredients are mainly of natural origin (97% to 99% ingredients of natural origin in the formulas) and are selected by an expert for their good tolerance.
The Multi-purpose balm is certified organic according to the Ecocert COSMOS ORGANIC standard.
The formula contains 20% of ingredients of organic origin.
The ingredients of organic origin are :
- Avocado oil
- Avocado sugars
- Aloe vera powder
The formula contains 99.7% ingredients of natural origin.
The 0.3% is Sodium Benzoate (INCI: SODIUM BENZOATE), a preservative used to protect the formula.
We recommend washing your eco-wipes with your normal clothing.
Depending on how dirty they are, you may want to rinse them before putting them in the washing machine.
In order to reduce the use phase impacts – be mindful of rinsing & water use.