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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.

Tools & Testing

Gua Sha Techniques and Their Role in Product Absorption

Gua sha is a traditional Chinese practice involving the use of a smooth-edged tool to scrape the skin, typically on the face…

Tools & Testing

How to Accurately Test Retinol Delivery with Different Applicators

Retinol, a derivative of vitamin A, is widely recognized for its ability to promote cell turnover and improve skin texture. However, achieving…

Tools & Testing

The Science Behind Facial Brushes and Their Impact on Exfoliation

The use of facial brushes has gained popularity in recent years as an exfoliation tool purported to enhance skincare routines. These devices…

Tools & Testing

Understanding Microcurrent Devices for Mature Skin

Microcurrent devices have garnered attention in recent years, particularly among those of us with mature skin seeking non-invasive alternatives for skin rejuvenation.…

Tools & Testing

Conducting a One-Variable Test on Vitamin C Serums

Vitamin C, particularly in the form of ascorbic acid, has gained significant attention in the realm of skincare for its reputed antioxidant…

Tools & Testing

Evaluating the Efficacy of Facial Rollers for Skin Over Thirty

Facial rollers have gained popularity in recent years as a beauty tool claimed to provide various benefits for the skin. These devices,…

Rituals & Routines

Observing Skin Changes: Keeping a Routine Journal for Active Testing

Maintaining a skincare routine can often feel like a complex puzzle, especially for those of us with skin that has experienced the…

Rituals & Routines

Evaluating Ingredients: The Importance of Concentration and Stability

When it comes to skincare, understanding the specifics of ingredients can significantly impact the efficacy of a product. It is not merely…

Rituals & Routines

Building a Sustainable Skincare Routine for Mature Skin

Mature skin often requires a thoughtful approach to skincare, emphasizing not only effective ingredients but also the sustainability of the routine itself.…