The Skin Formulary
Skincare education, straight from the pharmacist's bench of Dr. Allyson Brennan.
February 25, 2026
Mandelic acid for chemical exfoliation is one of the most gentle ways to refine texture, making it a favorite pregnancy safe AHA option and a smart...
February 21, 2026
If you’re searching how to get rid of textured skin, you’ve probably seen advice ranging from harsh scrubs to strong peels. For most skin types—esp...
February 18, 2026
Learn what lactic acid does for skin, why it’s a pregnancy safe AHA option, and how it improves texture safely for sensitive skin using barrier-sup...
February 18, 2026
If you're looking for pharmacist-recommended cold sore treatment, the most effective approach combines antiviral support, lip barrier repair, and c...
January 28, 2026
Skin isn’t static - it responds constantly to its environment. Yet many skincare routines are built as if the skin’s needs stay the same year-round...
January 28, 2026
In the first semester of pharmacy school, we spend a lot of time learning one core framework: ADME - absorption, distribution, metabolism, and excr...
January 28, 2026
Skincare marketing is built on buzzwords - clean, gentle, clinical, non-toxic. These terms sound reassuring, but most aren’t regulated, standardize...
January 28, 2026
In pharmacy school, the hardest classes weren’t always the ones with the most memorization - they were the ones that asked you to see the bigger pi...
January 28, 2026
Skincare routines have become increasingly complex, with multi-step layering, rotating actives, and single-ingredient products adding more than the...
January 28, 2026
As a pharmacist and formulator, I’m often asked whether a product is “safe for acne-prone skin.” Most often, that question is tied to one familiar ...
January 28, 2026
If your skin feels tight, dry, or irritated right after cleansing, the issue may be less about what you’re washing off and more about how your clea...
January 28, 2026
When we think about organs, we usually picture the heart, lungs, liver, or kidneys. Skin rarely makes the list. Yet the skin is the largest organ o...