Pacifica Beauty Future Youth Crystal Serum with Bakuchiol, $16, at Ulta
Instead of being housed in a pump bottle, this serum comes in a rollerball tube that's really pleasant to use. It's a light, milky formula with bakuchiol, hyaluronic acid to hydrate, and sugar to help keep moisture in (it's a natural humectant), and the rollerball ensures that you won't apply too much and waste product.
It's vegan and cruelty-free and formulated without petroleum, parabens, phthalates, propylene glycol, or sulfates so it won't irritate sensitive skin. The thin texture also means it will sit nicely under your moisturizer and sunscreen.