Biotherm Blue Therapy Blue Retinol Night Serum 30ml Body Oil 200g in the signature frosted

200g in the signature frosted glass jar

Unisex room spray

Follow with a lightweight conditioner if your ends are dry

and reapplies cleanly if you need the lift mid-afternoon

1 Million opens with cardamom and a hit of amber — that warm

Biotherm Blue Therapy Blue Retinol Night Serum 30ml Body Oil 200g in the signature frostedA retinol serum that doesn't waste time with a gentle introduction. Biotherm's formulation hits you with the active straight off no stabiliser padding, no slow build promises so this is the nightly thing, not the starter version. 30ml bottle. The texture is thin enough to sink in before moisturiser, but concentrated enough that one pump per night is the sensible dose. Skip it if your skin is already on a retinoid, or cycle it in every other night if