Sunscreen, but make it customisable. Whether you use it as a solo serum or mix drops (note that mixing formulas will dilute the SPF level indicated) with your daily moisturiser or foundation, Hello Sunday’s The One That’s A Serum – Face Drops SPF45 will shield your skin from broad-spectrum UVA/UVB rays, infrared radiation, blue lightandpollution.This fast-absorbing, fragrance-free formula has the texture and moisturising qualities of your dream serum, all with impressive SPF45 protection. Suitable for all skin types, even sensitive ones, it’s formulated to be non-irritating to your eye area (is there anything worse than sunscreen in your eyes?). The drops are infused with a conditioning cocktail of hyaluronic acid and gluconolactoine to effectively hydrate and strengthen your skin barrier, promoting smooth, radiant skin.How to Use:Apply to clean, dry skin. Follow with your moisturiser. Top up your sunscreen during the day.Sunscreen best practice: apply 30 minutes before going outside and reapply every two hours as well immediately after swimming or sweating.