The ideal temperature for all skin care products is 50°F (10°C) and it is recommended that they not be refrigerated at lower temperatures. COOSEON Makeup Fridges can cool down to 40ºF-50ºF (4ºC-10ºC) at 77˚F ambient or heat up to 104ºF-122ºF (40ºC-50ºC) with the ease of a switch. - Use the 50°F(10°C) mode for all your skincare products, beauty tools and masks. - A warmer setting of 65°F (18°C) is recommended for masks and beauty tools only (e.g. facial rollers, shaving, etc.).