About this item Healthier skin: Different light colours represent corresponding modalities. Green light with a wavelength of 520 nanometres reduces oil production in the skin; violet light helps to eliminate pigmentation; cyan light stimulates metabolism; white light improves skin laxity; red light makes the skin more elastic, promotes tightening of pores, fights ageing and repairs damaged skin; blue light reduces acne and removes breakouts; and yellow light improves skin roughness and soothes skin redness. 7 Modes: The led face mask can be deeply customised to the skin through different modes. Different wavelengths of light have different effects on the face and can meet different facial beauty needs. .