Which scores higher with the experts?
Paula's Choice 10% Azelaic Acid Booster holds a Guru Score of 81%, ahead of The Ordinary Soothing & Barrier Support Serum at 76%. That side draws on 22 independent expert reviews, against 20 for Soothing & Barrier Support Serum. On the experts' own numbers that puts 10% Azelaic Acid Booster in Yay territory and Soothing & Barrier Support Serum in Yay.
What do the experts say about Soothing & Barrier Support Serum?
The Ordinary Soothing & Barrier Support Serum carries a Guru Score of 76% from 20 independent experts. The pink serum earns widespread praise for calming irritated skin and repairing barrier damage, especially after over-exfoliation or active use. Gurus consistently highlight its hydrating, lightweight texture and affordable price point, making it particularly well-suited to oily and combination skin. A few found it lacked the occlusive power needed for very dry skin without pairing it to a heavier moisturizer, and the pipette packaging can be fiddly to use, but those are minor notes on an otherwise solid formula.
What do the experts say about 10% Azelaic Acid Booster?
Paula's Choice 10% Azelaic Acid Booster carries a Guru Score of 81% from 22 independent experts. This booster earns consistent praise for its 10% azelaic acid concentration paired with salicylic acid and licorice root, making it effective for redness, post-acne marks, active acne, and rosacea. The lightweight texture layers easily and can even be mixed into moisturizer if you want to skip an extra step. One important note for anyone trying to conceive or pregnant: while azelaic acid itself is safe during pregnancy, the added salicylic acid means this particular formula is worth checking with your doctor first, though some gurus consider it workable alongside professional guidance.
Which should you choose?
On the experts' scores Paula's Choice 10% Azelaic Acid Booster comes out ahead, 81% to 76%, a gap of 5 points. It has 22 experts behind it against 20 for The Ordinary Soothing & Barrier Support Serum. Soothing & Barrier Support Serum is most often recommended for dry and sensitive skin, 10% Azelaic Acid Booster for sensitive and acne-prone. Both are independently verified on the Guru Index, so either is a sound pick; let the use case and your budget settle it.