The Ordinary Azelaic Acid before or after moisturizer?

Why use it before moisturizer?

The usual skincare sequence puts medication or treatment immediately after cleansing, followed by moisturizer and sunscreen. The Ordinary also puts lighter water based formulas before heavier formulas. Its general layering order places creams and suspensions near the end, so using azelaic acid before moisturizer is general skincare guidance, not a special product direction.123

How to layer your routine

1. 1Wash with a gentle cleanser, then gently pat your face dry. Do not scrub.
2. 2Apply any water based serum you already use. Allow it to absorb before adding the next product.
3. 3Apply The Ordinary azelaic acid, following your product's directions for the amount and frequency.
4. 4Apply moisturizer after the treatment has absorbed.
5. 5Use sunscreen in your morning routine. Apply makeup afterward, if you wear it.

Do you need to wait before moisturizing?

The Ordinary recommends letting each product fully absorb before applying the next, without a fixed waiting interval. Let absorption guide the next step instead of assigning every layer an appointment. The same rule applies between a water based serum and your azelaic acid treatment: finish one layer before adding another.2

Which moisturizer should you use?

If you are prone to acne, look for a moisturizer labeled "oil free," "noncomedogenic" or "won't clog pores." Noncomedogenic means unlikely to clog pores. These descriptions point to moisturizers that are unlikely to cause acne. Moisturizer is useful when skin feels dry, including when an acne treatment makes dryness a problem. Applying moisturizer after washing helps trap water in the skin. Oily skin is not a reason to leave moisturizer out when your skin also feels dry.4

How often should you apply it?

Follow your product's usage directions for frequency and time of day. The Ordinary's general advice for direct acids is to start with two to three applications a week and increase as tolerated; that is a starting approach, not an instruction to use every treatment twice daily. Keep the number of products manageable. Using too many skincare products can irritate skin, and adding more layers does not make a routine easier to maintain.12

What if your skin becomes irritated?

General azelaic acid cream guidance lists mild irritation, redness and dryness as possible side effects. Get medical advice if these persist or bother you. Burning, itching, crusting or peeling of treated skin should be reported promptly, as should signs of an allergic reaction such as hives or swelling. If you use prescription azelaic acid, follow its prescription directions rather than replacing them with a cosmetic routine. Tell your care team about other skin treatments and whether you are pregnant, trying to become pregnant or breastfeeding.5

When should you expect results?

Azelaic acid treatment takes time to show benefits; there is no product specific results timetable here. If you are treating inflammatory acne, meaning red, swollen or painful blemishes, improvement can take several months of skincare and treatment. Seek medical help if your acne has not improved after a few months, rather than repeatedly rearranging your moisturizer and treatment.56