Cos De BAHA S4 Salicylic Acid BHA 4% Serum vs TREE OF LIFE Hyaluronic Acid Serum for Face | Hydrating Serum with Vitamin C, Bonus Size, 2 fl oz

Both options make for good, if unremarkable, Facial Serums at the $12 budget range. While they should serve reasonably well, you might want to look into some other options at that price point.

If you're still interested in learning more about the Cos De BAHA S4 Salicylic Acid BHA 4% Serum and TREE OF LIFE Hyaluronic Acid Serum for Face | Hydrating Serum with Vitamin C, Bonus Size, 2 fl oz, however, we wrote-up what we know about them:

No sources that perform objective hands-on testing have deemed the Cos De BAHA S4 Salicylic Acid BHA 4% Serum worthy of being included in their Facial Serum roundups, which typically isn't a good sign.

Taking a look at the TREE OF LIFE Hyaluronic Acid Serum for Face | Hydrating Serum with Vitamin C, Bonus Size, 2 fl oz, we found that it hasn't managed to perform well enough to earn a spot in any Facial Serum roundups done by sources that conduct their own, high-quality, hands-on testing. That alone makes it difficult to recommend.

As a last step, we wanted to do a head-to-head Cos De BAHA S4 Salicylic Acid BHA 4% Serum vs. TREE OF LIFE Hyaluronic Acid Serum for Face | Hydrating Serum with Vitamin C, Bonus Size, 2 fl oz comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.