Lash serums aren't failing your clients. Marketing is.

You've had the conversation. Client comes back, you ask how they're going with the serum.

"I didn't really notice a big difference."

That's not a product problem. That's a promise problem.

Marketing has your client expecting pharmaceutical results from a cosmetic product. And when it doesn't deliver, because it can't, the serum gets the blame. And sometimes, so do you.

Here's what most people, including a lot of brands, don't actually know.

Only 15 to 40% of lashes are actively growing at any given time. Upper lashes sit closer to 40%. Lower lashes, as low as 15%. Scalp hair? 80 to 90% growing simultaneously. Growth rate is 0.12 to 0.14mm per day. The active growth phase lasts just 30 to 45 days.

That's not a formulation issue. That's human biology.

Prescription serums like Latisse use bimatoprost, which at least has formal clinical trials behind it. Around a 25% increase in length after 16 weeks. But the ingredient found in most over-the-counter lash serums is something different entirely.

It's called isopropyl cloprostenate. A 2024 peer-reviewed study found it has never been formally researched for efficacy or safety. Canada has banned it from cosmetics. The EU's scientific safety committee concluded they cannot confirm it is safe at the concentrations used in serums. Australia hasn't banned it. But that's not the same as a green light.

Your clients don't know this. Most brands aren't saying it.

The known risks apply regardless. Iris pigmentation changes. Periorbital fat loss. Documented, not rare. For a client getting lash lifts, extensions, or brow laminations, that's a conversation nobody wants to have.

Peptides work differently. They don't override biology. They optimise it.

A well formulated peptide serum activates dormant follicles, prolongs the growth phase, strengthens the lash as it grows, and makes sure active ingredients actually reach the follicle. Without that last part, even the best formula sits on the surface and does nothing.

Peptides aren't a rescue formula. They're an optimisation tool. Set that expectation and your client starts noticing what's actually there. Less fallout. Stronger retention. More length over time.

Repeat purchases live or die during the treatment. Not in the bottle.

You don't have to sell the biggest promise in the room. Sometimes the most confident thing you can do is tell the truth.

Proformula is a lash and brow serum built for professional recommendation. Gentle enough for sensitive skin, safe for daily use, and designed for clients who wear extensions, lifts, and laminations.