The extract of pink grapefruit is rich in antioxidant species that are excellent for the skin. However, this active ingredient has contraindications, it is important to adhere to the usage precautions. Here are the dangers of using pink grapefruit extract.
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What are the contraindications for the use of pink grapefruit extract?
Summary
- A closer look at pink grapefruit extract
- What molecules does pink grapefruit extract contain?
- Use of Pink Grapefruit Extract: The Risks and Contraindications
Published February 8, 2024,
by
Maylis, Chemical Engineer
—
5 min read
A closer look at pink grapefruit extract.
Pink grapefruit and pomelo are often confused. In fact, these two fruits belong to the genus Citrus, which includes the majority of citrus fruits. The grapefruit tree (Citrus maxima) produces enormous fruits, the grapefruits. However, this is not the one we consume in Europe! Indeed, it is the pomelo (Citrus paradisi) that is present in our supermarkets, whichis incorrectly called grapefruit.The confusion around the name of these two fruits has been ongoing for a long time and a change in nomenclature is not being considered.
The pink grapefruit, the ancestor of the pomelo, is consumed in the West Indies and Tahiti. Originating from China, it is sometimes sold in France under the name of Chinese pomelo.The pomelo, commonly called grapefruit in France, is a fruit resulting from the natural crossbreeding between the grapefruit tree (Citrus maxima) and the sweet orange (Citrus sinensis). While the grapefruit comes from Southeast Asia, the pomelo is native to the Caribbean.
In dermo-cosmetics, thegrapefruit extract (which is in fact pomelo extract) is a powerful purifying and sanitising ally for the skin.Known by the I.N.C.I. name "Citrus Paradisi (Grapefruit) Fruit Extract", this aqueous extract is obtained throughmicrowave extractionfrom whole fruits sourced from organic farming. No preservatives are added to the final product. The recommended percentage of this natural ingredient in a cosmetic formula is 3%.
What molecules does pink grapefruit extract contain?
The aqueous extract of pomelo is composed of the following molecules.
Alpha-hydroxy acids, AHA (primarily citric, tartaric, and malic acids): these active ingredients are stimulators of cellular metabolism that provide regenerative, keratolytic, brightening, and hydrating benefits to the skin.
Flavonoids (primarily hesperidin): these compounds provide antioxidant protection (UVA protection) and a brightening effect (tyrosinase inhibition) thus anti-spot.
Vitamins, sugars (mainly vitamins C and B, sucrose and glucose): these active ingredients provide revitalising and hydrating benefits.
The extract of pink grapefruit is thus suitable for reactive and sensitive skin, oily to combination skin, as well as for tired, mature skin or skin lacking in tone.
Use of Pink Grapefruit Extract: The Risks and Contraindications.
Despite its numerous benefits in cosmetics, pink grapefruit extract presents some contraindications and precautions.
It can cause reactions (redness or skin irritations) in certain individuals who are more or less sensitive. These skin reactions can be attributed to the presence of AHA in this aqueous extract, which can be irritating due to the peeling effect they cause. Always perform an allergy test. To do this, apply two drops to the crook of your elbow of the care product containing pink grapefruit extract. Wait at least 24 hours, or even 48 hours to observe any potential reaction
It is advisable toavoid any sun exposure immediately after its applicationas grapefruit extract contains photosensitising species (mainly citric acid, tartaric and malic). We recommend always combining the use of a pomelo extract-based care product with a broad-spectrum sun protection.
It should be noted that oral intake of pink grapefruit extract is not recommended if you are undergoing medical treatment. Indeed, it can either amplify or inhibit the effects of medications. Pink grapefruit extract can be toxic to the kidneys if ingested in high doses over a prolonged period. It is intended for adults and teenagers and is not recommended for children under the age of 6.
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