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The science

Science as reassurance, not homework.

The proof should sit behind the recommendation—not become a wall you have to climb.

Take as much context as you like. Leave the rest for another day.

In brief

A little understanding can make the next step feel lighter.

The legacy Science page held a deep ingredient library. We have brought its useful framework into this page: what may be changing, how care can meet it, which ingredient roles matter, and where the honest limits belong.

This page offers education, not a diagnosis or individual medical advice.

Six layers, at your pace

The detail is here when you want it.

Choose a layer to read more. There is no need to take it all in at once.

Layer one

The change is not all in your head.

During perimenopause, hormones can fluctuate before they settle lower. The hair cycle, the scalp environment, and the feel of individual strands can all shift. Some women notice shedding, finer-feeling hair, more dryness, or more porosity.

No two experiences look exactly alike.

What may be happening

During perimenopause, hormones can fluctuate before they settle lower. The hair cycle, the scalp environment, and the feel of individual strands can all shift. Some women notice shedding, finer-feeling hair, more dryness, or more porosity.

No two experiences look exactly alike.

A clearer place to begin

Start with what you are noticing.

Find a considered next step for the hair you have now. We will keep the language clear and the routine manageable.

Find My Routine