It would be recommended as it is best without, but not crucial.
oA – Optimal Aging
Help correct premature skin aging and skin laxity, improving firmness and smoothness.
Br – Brightening
Help fade dark spots and discoloration, resulting in a brighter, more even-toned complexion.
Ac – Acne + Oil-Prone Skin
Help prevent and treat acne by regulating sebum production, opening clogged pores, reducing blemishes and helping to prevent scarring.
Dsˢ – Dry Skin Syndrome
Provide essential hydration and nourishment, restore moisture balance and create a softer, smoother, more comfortable complexion.
Rs – Rosacea
Help reduce redness, soothe irritation and strengthen the skin’s barrier, calming and nurturing the skin.
Sb – Seborrhea
Help control excess oil production and relieve inflammation, reducing flakiness and irritation.