Light Reading

Macro view of clear air bubbles suspended in a golden liquid, with light reflecting off their rounded surfaces against a warm beige background.

Your Skin Barrier: What It Is and Why It Matters

The phrase "skin barrier” gets thrown around a lot – but your barrier isn’t just a buzzword! It’s a system, and understanding that system can change you think about suncare. 

The System

Your Skin Barrier: What It Is and Why It Matters

The phrase "skin barrier” gets thrown around a lot – but your barrier isn’t just a buzzword! It’s a system, and understanding that system can change you think about suncare. 

Hand holding a blue SONNI mineral suncare tube against a soft blue sky background.

SunDay Mineral Serum or SunDay Invisible Defens...

Two mineral SPFs. Two very different jobs. Here’s how to choose between SunDay Mineral Serum SPF 50+ and Invisible Defense SPF 40+ based on your routine, skin, and lifestyle.

The System

SunDay Mineral Serum or SunDay Invisible Defense? Here’s How to Choose.

Two mineral SPFs. Two very different jobs. Here’s how to choose between SunDay Mineral Serum SPF 50+ and Invisible Defense SPF 40+ based on your routine, skin, and lifestyle.

Soft shadow of a hand holding a SONNI SunDay Mineral Serum bottle against a light background.

The Science of Seamless

We did a deep dive into zinc potency, skin-friendly ingredients, and intentional design to create mineral-based protection that fits your life and your routine without all the usual tradeoffs.

The System

The Science of Seamless

We did a deep dive into zinc potency, skin-friendly ingredients, and intentional design to create mineral-based protection that fits your life and your routine without all the usual tradeoffs.

Not Your Vacation Sunscreen: Why We Built SONNI

Not Your Vacation Sunscreen: Why We Built SONNI

Most sunscreens are made for the beach. We built SONNI for real life—lightweight, mineral-based SPF you’ll actually want to wear every day, all year long.

The System

Not Your Vacation Sunscreen: Why We Built SONNI

Most sunscreens are made for the beach. We built SONNI for real life—lightweight, mineral-based SPF you’ll actually want to wear every day, all year long.