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R+Co Dallas Biotin Thickening Styling Lotion bottle with pump and product label in close-up image.
R+Co Dallas Biotin Thickening Styling Lotion bottle with pump and product label in close-up image.
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Dallas Biotin Thickening Treatment

R+Co
$56.00
Why We Love It

Builds lasting thickness and texture for fine hair without weighing it down. Pair it with the rest of the Dallas line for your fullest-looking hair.

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Fast, Canadian shipping

In-store pickup available

7-day returns or exchanges

This mega-thickening treatment helps build texture for a long-lasting, voluminous effect. It fortifies hair without weight, delivering instantaneous, visible results in minutes.

89ml

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Product shelves at Private Studio in Toronto
A note from the studio

Just the Good Stuff

Our shelves are a curated edit of the things we actually use, love and believe are worth bringing home. From Canadian-made and stylist-created brands to high-performance haircare and beauty picks for your everyday rituals, every product has earned its place, chosen by our team for how it works, how it feels and how it fits into real life.

Because good hair changes with the season, our edit does too. Expect a rotating mix of team favourites, seasonal essentials and whatever we're reaching for most right now.

Pairs well with

From the Studio Edit

Styling notes and seasonal shifts, straight from the chairs at 116 Spadina.

Read the Edit
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In the chair

Want It Done for You?

Everything on this page gets used on real clients in our studio. Book with the stylist who knows it best, and head home with a routine built around your hair.

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