Welcome to Barrier & Beyond—a skincare blog powered by expert insight, ingredient science, and real-world advice from Margarita the Esthetician. No fluff. Just facts your skin will thank you for.
Margarita Santiago, LE, MADiscover how LED light therapy helps reduce fine lines and signs of aging. Learn how it works, what to expect, and how to add it to your routine.
Margarita Santiago, LE, MADiscover how microneedling boosts collagen, smooths wrinkles, and improves skin texture. Learn what to expect, who it’s for, and how to get the best results.
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