How we scored it
Aqueous resin extract: water (n = 1) plus resin terpenoids (n = 1; b) = 1.0. Any extraction aid leaves no counted mass.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Mastic resin tapped from Pistacia lentiscus (mainly Chios, Greece) is extracted in water and the solution filtered. No synthetic alternative route exists.
In plain English
A water-based extract of mastic, the resin that oozes from the mastic tree (Pistacia lentiscus), best known from the Greek island of Chios. Listed roles in cosmetics include anti-seborrheic (oil control), antimicrobial and fragrance. It is resin compounds dissolved in water.
CosIng definition: Pistacia Lentiscus Gum Water is an extract of the resin obtained from the Pistacia lentiscus L., Anacardiaceae. "Mastic Extract"
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2PISTACIA LENTISCUS GUM WATER. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PISTACIA LENTISCUS GUM WATER. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PISTACIA%20LENTISCUS%20GUM%20WATER