Sun Protection

It is generally recommended to apply sunscreen about 30 minutes before sun exposure, due to the way sun care products are tested. Indeed, protocols require a drying time of 15 to 20 minutes before the start of the sun protection factor evaluation to ensure water resistance, but no data actually suggests that the effectiveness of the sunscreen is delayed.

This depends on the activity. For prolonged exposure, such as at the pool or beach, it is recommended to reapply the sunscreen every two hours. However, for a commute from home to office, a single application in the morning is sufficient.

Yes, even though they are naturally more protected than fair skin, dark skin still needs to be protected from the sun.

A light, non-comedogenic, and mattifying fluid is ideal for acne-prone skin.

Makeup products with SPF provide additional protection, but they are generally not sufficient on their own for complete and lasting sun protection because they are not applied in adequate amounts.

Yes, it is recommended to apply a sunscreen all year round. Even if UV exposure is reduced in winter, the low levels still present can still accelerate photoaging and exacerbate photosensitive conditions, such as hyperpigmentation or acne.

"Waterproof" sunscreens offer limited water resistance, typically sufficient for one swim, and must be reapplied after bathing.

Today, there is a variety of galenic forms in terms of sun protection, ranging from creams, to gels, including sprays, mists, milks, and sticks.

Yes, a sunscreen is necessary even under a parasol because UV rays reflect off the sand and water.

An expired sunscreen has lost its effectiveness in reflecting and absorbing UV rays and does not protect from the sun. Moreover, it is likely to cause skin reactions.