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Sigma
Beauty Supply
Est. 2019 · Letter no. 001

A beauty supply,
briefly.

We opened a small shelf in Seoul, Brooklyn, and Lisbon. It grew sideways, not upward. This is our letter to you — brief, honest, with a small flower pressed inside the envelope.

Sigma Beauty shelf

“We make beauty supplies the way we'd write a letter to a friend — briefly, honestly, and with a small flower pressed inside the envelope.”

4
Shelves
620
SKUs this week
2,150
Ingredients banned
Principles

Small shelf, slow edits.

Briefly

Four categories, not fourteen. If it doesn’t earn a place on the shelf, it leaves.

Honestly

Full ingredient lists. Clear use cases. No “clinically proven” where it isn’t.

Kindly

Refills on what you already love. A handwritten card in every order.

Sideways

We grow by opening new counters, not by stretching the catalog past its meaning.

Open the shelf.

Four drawers. Pick any one.