
How to Build a Routine Around One Active Ingredient
Build around one active by choosing a specific goal, keeping cleanser and moisturizer steady, and following the product's directions.
Read guide →Routines guide
Focused, plain-language guidance for add one active.
General education only. Individual symptoms and treatment decisions may need assessment from a qualified healthcare professional.

Start here
Begin with the specific question you need answered, keep the rest of the routine recognizable, and use the guide’s stated safety boundaries.
Add One Active guides
Published SkinPlain guides with distinct research, recommendations, and evidence limits.

Build around one active by choosing a specific goal, keeping cleanser and moisturizer steady, and following the product's directions.
Read guide →Related topics
When to seek care
A qualified healthcare professional can assess your skin, medical history, and treatment options. Seek timely care for severe, rapidly worsening, painful, persistent, or otherwise concerning symptoms.