Light Reading

Close-up of a person’s face in sunlight, eyes closed, with soft shadows across the skin and a natural, hydrated glow.

How Much SPF Should I Use on My Face?

Short answer: more than you think. Most people put on SPF with the best intentions, but it’s usually not enough product to get the protection they expect. 

Ask SONNI

How Much SPF Should I Use on My Face?

Short answer: more than you think. Most people put on SPF with the best intentions, but it’s usually not enough product to get the protection they expect. 

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.

SONNI suncare products displayed on a glass shelf, including a blue tube and pump bottle, styled with minimal everyday objects against a soft blue background.

Why We Skip SPF (Even When We Know Better)

It's not your fault you skip sunscreen. Here’s why a daily SPF habit feels hard and how to make it a default of your routine.

Life in the Sun

Why We Skip SPF (Even When We Know Better)

It's not your fault you skip sunscreen. Here’s why a daily SPF habit feels hard and how to make it a default of your routine.

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.