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Author · Joshua Franz

Joshua Franz writes Beauty After Thirty, a cited, one-variable-at-a-time notebook on skincare, makeup, and hair for skin that has been around a while. He reads the ingredient studies so you do not have to, tests things for a month before recommending them, and links every claim to its source.

Sun & Protection

Daily Sun Protection: The Importance of Consistency and Layering

Daily sun protection is a critical component of any skincare routine, particularly for those with skin that has seen more than thirty…

Sun & Protection

Testing a New Sunscreen Formula for Tolerance and Efficacy

As someone who has navigated the complexities of skincare for over three decades, I have developed a meticulous approach to testing new…

Sun & Protection

Analyzing Physical vs Chemical Sunscreens for Mature Skin

As someone who has navigated the complexities of skincare for over three decades, I find sun protection to be a cornerstone of…

Sun & Protection

Reapplication Strategies for Effective Sun Defense

Effective sun defense hinges not only on the initial application of sunscreen but also on diligent reapplication throughout the day. Ultraviolet (UV)…

Sun & Protection

The Role of Antioxidants in Daytime Skin Protection

Antioxidants have gained considerable attention in the realm of skincare, particularly regarding their protective effects against environmental damage. This damage can stem…

Sun & Protection

How to Choose a Broad-Spectrum Sunscreen Based on Ingredients

Choosing an effective broad-spectrum sunscreen can be overwhelming, given the vast array of products available. Understanding the ingredients that provide protection against…

Sun & Protection

Understanding the Differences Between UVA and UVB Rays

In the realm of sun protection, the terms UVA and UVB often come up. While both are forms of ultraviolet radiation emitted…

Hair Care

Transitioning to Natural Oils for Scalp Moisture and Balance

As I journey through my thirties, I have become increasingly aware of the delicate balance required for optimal scalp health. The quest…

Hair Care

What I Learned from Testing a Sulfate-Free Conditioner for Three Weeks

Over the past few years, the beauty industry has seen a significant shift towards sulfate-free products. Sulfates, particularly sodium lauryl sulfate (SLS)…