Papa & Filles · Ingredient education
Panthenol in scalp care: why provitamin B5 is in the formula
Panthenol is also known as provitamin B5. In a formula led by copper peptides, it is easy to focus on the headline ingredients and skip the supporting ones. Panthenol deserves a closer look because its research includes the very practical subject of moisture care.

What does a humectant do?
A humectant helps attract and retain moisture. That is an ingredient function, rather than a promise that every formula containing it delivers the same result.
Think about the questions you would ask of a daily scalp step: where do I apply it, how often do I use it and what is it intended to do? A useful ingredient explanation should help answer those questions without turning every ingredient into a solution for every hair concern.
A human skin study, explained
Camargo and colleagues tested formulations containing different panthenol concentrations on healthy participants’ forearms. The study assessed skin moisture and water loss over 15 and 30 days, and after a washing challenge. Formulations containing 1% or 5% panthenol reduced water loss after 30 days in the conditions studied. Original study
The important context is “forearms” and “the formulations studied.” These were skin measurements, not a hair-growth trial. The shared 1% concentration does not make our scalp concentrate the same as the study formulation.
What that adds to the formula story
Research does not always have to concern the headline benefit people search for. A scalp routine can also involve attention to the skin on which the product is applied. Panthenol gives us a way to explain the moisture-focused part of our ingredient selection.
It is also a useful reminder to read the complete formula. A product is more than a list of its most fashionable components. The ingredients are combined into a particular preparation, with particular directions and an intended application area.
Panthenol in our concentrate
The Papa & Filles featured formula contains panthenol at 1%. It sits beside niacinamide 2% and sodium hyaluronate 0.1%, as well as GHK-Cu, AHK-Cu and caffeine.
Our planned ritual is 4–6 drops, once daily, directly onto a dry or towel-dried scalp. Part the hair, apply to the skin, massage gently and leave in. Follow the final label when the concentrate is released; this is an external-use product.
That is the routine we are introducing. We have not established a measured hydration improvement or a hair-regrowth result for the finished product, and we do not use the panthenol study to imply either.
Quick answers
Is panthenol one of the peptides? No. It is the provitamin B5 ingredient. GHK-Cu and AHK-Cu are the two copper peptides in the featured formula.
Why mention a forearm study in a scalp article? It is relevant to the ingredient’s skin-care background. Naming the body area helps you see exactly what was studied, rather than silently treating it as scalp evidence.
Does the study’s 30-day measurement mean this product works in 30 days? No. A study’s observation period is not a results timeline for a different product.
Explore Copper Peptide Scalp Concentrate: 30 mL, $79 CAD, planned release November 1, 2026. Get launch updates. Signing up does not reserve stock.