The Lab · AI in production

A voice anyone could run.

A weekly newsletter can’t depend on one person having a good writing day. So the voice became a system: one prompt, one typed line, anyone on the team.

The prompt — v1, as the team ran it

“You are acting as a copywriter for [the company], a sales and marketing company representing specialty ingredient suppliers. Its markets include cosmetics, personal care, household, and institutional products.1 Each week, please write an original email newsletter with a fresh, creative tagline and new engaging content. The newsletter should be between 250–300 words without the tagline.2 If necessary, please use the browser tool for current information.

For this week’s newsletter, focus on insert specific chemical or concept here3. Highlight the benefits and significance of this chemical, in addition to the concept in skincare, and try to create a compelling narrative around it.

As an example of the kind of content we’re looking for, here is a newsletter from our archives: insert the example newsletter here4

Please note that this is only an example. Your content should be original and not follow this outline strictly. However, please make sure to include the following closing sentences: ‘For more information or samples, contact [the team’s contact details]. Stay tuned for the next update!’5

The two gold slots are the whole workflow: a topic, plus newsletters from the archive for reference — in practice, all of them ride along. Original prompt; company name and contact details generalized.

From the send log
Cortisol Face: When Stress Shows on the Skin
“Not a clinical diagnosis — but a useful way to describe the visible effects of prolonged stress and elevated cortisol on the skin.”
How GLP-1 Use Is Reshaping Skin, Hair, and Beauty Expectations
“GLP-1 medications are reshaping far more conversations than weight management — the ripple effects are visible across beauty, personal care, and apparel.”
When the Formula Feels Like Fun: How Playful Textures Are Converting Curious Consumers
“Consumers are discovering new products through experience, not education… Texture is the new marketing.”
Scalp Care Is Having a Breakout Moment

Plus the weekly ingredient-spotlight sends — supplier trade names kept off this page. Different writer each week; same voice every time.

What this shows

I design the voice once, as a system — then anyone on the team can run it.