What you need to know about hyaluronic acid.

This molecule is present in numerous facial care products (serum, cream, toner, cleansing gel) as well as body care items (milk, hand balm, nail and cuticle serum). Hyaluronic acid is also a component in hair care products such as serums, shampoos, masks and conditioners. It prevents split ends, helps to tame unruly hair and restores shine to dull hair.

Typology has developed several products containing this potent hydrating agent capable of retaining up to a thousand times its own weight in water:

• Combined with aloe vera for comprehensive moisturising action, the hydrating toner helps to balance the skin's pH following the cleansing/makeup removal stages.

• The plumping serum is composed of 94% natural origin ingredients and makes the skin more supple after just a few weeks of use.

• The nourishing face cream is enriched with lipid-replenishing and moisturising active ingredients and is composed of 98% natural origin ingredients. It restores suppleness to the skin and reduces feelings of tightness.

• The moisturising cleansing milk contains 0.5% ofhyaluronic acid combined with chamomile extract. This skincare product removes impurities without drying out the skin. It contains a base of gentle, biodegradable surfactants of natural origin that create a delicate foam to cleanse the skin while respecting its balance. It is applied to damp skin in the morning and/or evening, directly with the fingers. The milk emulsifies on contact with water into a fine foam, facilitating the rinsing stage.
  

• Enriched with hyaluronic acid and organic coconut oil, the face moisturising cream with 9 ingredients is a minimalist formula that hydrates and nourishes the epidermis. Its light and non-greasy texture is suitable for dry, normal and combination skin, even sensitive ones.

• The face sunscreen with an SPF30 is enriched with hyaluronic acid to prevent your skin from dehydrating while protecting it from the harmful effects of UVA/B rays.

• The hand & nail serum helps to strengthen your nails and smooth out roughness, in combination with plant keratin.

• The hand balm with 10 ingredients is suitable for all skin types, including sensitive skin. This minimalist formula care product is enriched with hyaluronic acid to combat dryness and potential irritations.

• The restorative lip mask forms a protective film on the lips, thereby limiting the evaporation of water and helping to rehydrate and repair damaged lips. Enriched with mango butter, this mask melts onto the lips and leaves a feeling of softness. Also included in its formula are ceramides, which have a lipid-replenishing action, and hyaluronic acid which is highly moisturising.

When applied topically, hyaluronic acid is a molecule generally well tolerated by all skin types and does not appear to have a sensitising potential. It does not present any undesirable side effects in cosmetics.

When injected, it can nonetheless pose some risks. According to the ANSM, 0.1 to 1% of individuals have experienced side effects following a hyaluronic acid injection, such as haematomas, minor bleeding, or oedemas. However, these inconveniences remain rare and fade within a few days.