Paula's Choice 10% Azelaic Acid Booster vs The Ordinary Hyaluronic Acid 2% + B5: what the experts say

Across independent expert reviews, Paula's Choice 10% Azelaic Acid Booster earns a Guru Score of 81% from 22 experts, and The Ordinary Hyaluronic Acid 2% + B5 earns 75% from 22. On the gurus' verdict Paula's Choice 10% Azelaic Acid Booster comes out ahead. Here is how the two compare, in the experts' own words.

81% Yay
Guru Score from 22 independent experts
Best for sensitiveBest for acne-proneMid-rangeDrops
Read the full verdict →
75% Yay
Guru Score from 22 independent experts
Best for oilyBest for dryBest for combinationBudgetDrops
Read the full verdict →

Which scores higher with the experts?

Paula's Choice 10% Azelaic Acid Booster holds a Guru Score of 81%, ahead of The Ordinary Hyaluronic Acid 2% + B5 at 75%. The first draws on 22 independent expert reviews, the second on 22. On the experts' own numbers that puts 10% Azelaic Acid Booster in Yay territory and Hyaluronic Acid 2% + B5 in Yay.

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.

What do the experts say about Hyaluronic Acid 2% + B5?

The Ordinary Hyaluronic Acid 2% + B5 carries a Guru Score of 75% from 22 independent experts. Hyaluronic acid without the markup: that's the pitch gurus keep repeating about this budget-friendly serum, which they say holds its own against far pricier bottles. It slots into morning, evening or under makeup, and works better with a moisturizer on top. The measured view is that it's effective for plenty of people, just not exciting.

Which should you choose?

On the experts' scores Paula's Choice 10% Azelaic Acid Booster comes out ahead, 81% to 75%, a gap of 6 points. It has 22 experts behind it against 22 for The Ordinary Hyaluronic Acid 2% + B5. 10% Azelaic Acid Booster is most often recommended for sensitive and acne-prone skin, Hyaluronic Acid 2% + B5 for oily, dry, combination, normal and sensitive. Both are independently verified on the Guru Index, so either is a sound pick; let the use case and your budget settle it.

Common questions

Which has the higher Guru Score, 10% Azelaic Acid Booster or Hyaluronic Acid 2% + B5?

Paula's Choice 10% Azelaic Acid Booster does, with a Guru Score of 81% from 22 experts. The Ordinary Hyaluronic Acid 2% + B5 sits at 75% from 22 experts.

How many experts reviewed each product?

Paula's Choice 10% Azelaic Acid Booster has 22 independent expert reviews on the Guru Index; The Ordinary Hyaluronic Acid 2% + B5 has 22.

Are these scores based on sponsored reviews?

No. Both products are independently verified, so the Guru Score reflects the experts' own verdicts rather than paid placements.

What is each product best for?

10% Azelaic Acid Booster is most often recommended for sensitive and acne-prone skin. Hyaluronic Acid 2% + B5 is most often recommended for oily, dry, combination, normal and sensitive skin.

Keep comparing: build your own side by side or browse all reviewed products.