SolSerum is a 100% mineral sunscreen designed by dermatologist Dr. Scott Walter and co-founders Lauren and Ali to change everything you thought you knew about SPF. This lightweight, hydrating formula blends like a serum, nourishes like a moisturizer, and protects with powerful, skin-loving ingredients like niacinamide, Centella Asiatica, and antioxidants. Made by a small, passionate team dedicated to creating effective, dermatologist-developed sun protection that feels incredible on every skin type.

Welcome back to the second issue of Skin Signal! Thank you to everyone who voted in last month’s poll. With your input, I’m working on a new guide that will focus on at-home skincare devices—so stay tuned. And congratulations to the winner of our first skincare giveaway, Lina! Don’t worry if you missed out—there’s always more skincare to share. Scroll to the bottom to see how you can enter October’s giveaway.

This month I have BIG NEWS, and I want you to be the first to hear it: I helped formulate a new mineral sunscreen SERUM, launching this week! More details below.

Welcome to the first edition of Skin Signal, Your SPF|YI — where I share dermatologist-backed skincare tips, product picks I actually use, and insider hacks you won’t just stumble across on Google.

If you’ve ever wondered why your skin seems to shift gears in September, you’re not alone. Let’s dig in.

Thinking about trying red light therapy but not sure where to start? With so many devices on the market, it’s easy to feel overwhelmed—or unsure if you’re getting your money’s worth.

Board-certified dermatologist Dr. Walter has tested and researched some of the most popular devices available and created a free, comprehensive guide to help you choose the right one for your goals.