Skip to content Skip to navigation menuNew Lait Solaire by Biotherm, inspired by our legendary Lait Corporel, makes sun protection a truly luxurious ritual. Wrapped in the softness of our original lait skin is protected from sunlight thanks to a photostable broad-spectrum filter absorbing UVA/UVB. Lait Solaire also contains Vitamin E and Pure thermal plankton, inseparable from any Biotherm product. Indulge your skin with this deliciously citrus-flavored soft milk and choose your factor to enjoy the sun safely. SPF 30 - for sensitive to very sensitive skins and moderate sun-exposure.