Hello, please help staff to consider the formula. whitening serum according to the skin type as follows Combination-oily skin, age 30+, melasma, freckles, dark spots, dark spots/redness from acne, dull, sensitive skin - MSH White Absorb™ 5% - GlucoBright™ ( Acetyl glucosamine ) 4% - Safe-B3 ™ ( Vita...