• Natural product
  • Eco responsible
  • Made in France

Soin Tonic guarantees powerful scalp and hair care in advance of the usual treatments. It is an excellent long-lasting hair fiber sanitizer. It leaves hair perfectly hygienic in just a few seconds. Thanks to its alcohol content and a blend of essential oils specifically chosen for this purpose, it is a refreshing asset at any time of day.


  • 100 ml
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Description of The Tonic Treatment

. Regenerating action: restores skin and scalp quality in the event of skin disorders ;
. Hair growth stimulating action due to the concentration and combination of synergistic active ingredients (oyster extracts, brewer's yeast extracts) which optimize hair quantity ;
. Sanitizing effect: captures and eliminates unpleasant odors sometimes present on hair and scalp ;
. Purifying and soothing action. Eliminates contagious germs, soothes irritation and neutralizes itching;
. Can be used on its own, or as a complement to appropriate care products and shampoos ;
. Restores shine to hair.


Before shampooing, spray from a distance of 20 cm, making large separations;
-Comb through scalp and hair;
Massage in and leave on for 15-20 minutes;
-Rinse and follow with your usual complementary care routine.

Christophe Nicolas Biot's tip

Irritated and stressed scalp protocol: 1 to 2 times a week before shampooing, 1 time a week between 2 shampoos for 3 months.
Hair growth protocol: 2 to 3 times a week for 6 months, then once a month.

For which hair type

For all hair types.

Effect on hair

Stimulates hair growth, eliminates unpleasant odors, purifies.

Scalp type

Aggressed, irritated scalp.

Hair problems

Hair loss.

To discover the catalog of the products of the line by BIOT

-French version
- English version


100 ml


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