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Journal · Science

The Role of Sensory Testing in a Good Serum

A small panel, a four-week trial, a carefully written questionnaire. Sensory testing is where a lab formula becomes a product someone looks forward to applying.

What n=24 can and cannot tell us

Start with a plain reading of the heading: what n=24 can and cannot tell us. What that means in practice — for a customer choosing a product or starting a routine — is less theatrical than marketing usually implies, and more useful.

None of this is a medical promise. It is the craft of making a formula feel right on skin, and making a routine one can actually keep.

Open-ended questions beat checkboxes

Start with a plain reading of the heading: open-ended questions beat checkboxes. What that means in practice — for a customer choosing a product or starting a routine — is less theatrical than marketing usually implies, and more useful.

We've learned to describe this with care — what we say in marketing and what we say in a lab notebook aren't always the same, and the customer deserves the lab version.

Not a medical efficacy study

Start with a plain reading of the heading: not a medical efficacy study. What that means in practice — for a customer choosing a product or starting a routine — is less theatrical than marketing usually implies, and more useful.

The practical test is simple: pick it up tomorrow, and the day after. Something that lasts a week outlasts something that only looks good in a photo.

In closing

We'll keep writing. If there is a topic you'd like us to cover, write to info@rewyne.com — we read everything.

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