Serums & Boosters
A serum is a concentrate. That is the whole definition — fewer ingredients, at higher levels, in a thin base built to...
About this collection
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A serum is a concentrate. That is the whole definition — fewer ingredients, at higher levels, in a thin base built to be layered under something else. It is not a moisturiser and it will not replace one.
Which means the useful question is not "which serum is best" but "what is the one thing I want this layer to do".
Choose by the one thing
- Hydration — HYDRALIS™ Hydrating Serum, or the HYDRALIS™ Double Hydration Gel. The layer that suits almost everyone, and the safest place to start.
- Lines and firmness — RENOVÉA™ Firming Serum and COLLAVIS™ Plumping Serum.
- Texture and the look of fine lines, without retinol — VESPERA™ Line Smoothing Serum (water-based) or BAKURIS™ Line Smoothing Serum (oil-based, so it goes later in the routine).
- Radiance and uneven tone — LUMERIS™ Radiance Serum and CLARITAS™ Tone Perfecting Serum.
- The look of dark spots specifically — KOJARIS™ Dark Spot Corrector.
- Skin that looks tired or congested — EXOVIA™ Skin Renewal Serum and AEQUILIS™ Rebalancing Jelly Serum.
- Blemishes, on the spot — PURIVA™ targeted blemish serum, used where you need it rather than all over.
Boosters are different
CAFFERIS™ De-Puffing Booster and GINKARIS™ Protective Booster are meant to be added to what you already use — a few drops mixed into your moisturiser, or applied underneath it — rather than used as a step of their own.
How many at once
One, usually. Two if they do different jobs and one of them is hydration. Layering four serums does not multiply the result; it multiplies the chance that when something goes wrong you have no idea which one caused it — and it is how most people end up with a stinging face and an expensive shelf.
Order: thinnest first, oils last. Water-based serum, then anything oil-based, then moisturiser. Nothing water-based gets through an oil, so an oil serum applied early blocks everything after it.

Therapium BAKURIS™ Line Smoothing Serum
Retinol alternative oil serum · bakuchiol, rosehip and evening primrose oils · vegan, gluten free, free from tree nut and peanut oils (contains coconut-derived esters)An oil serum built around bakuchiol, for the look of fine lines without retinol. Bakuchiol sits in a blend of organic jojoba, rosehip, evening primrose, strawberry, raspberry and blueberry seed...

Therapium KOJARIS™ Dark Spot Corrector
Targeted serum · 1% kojic acid · spot application, evening useA concentrated 1% kojic acid serum for applying directly where tone looks uneven. This one is not a face-wide serum. It is dosed at 1% kojic acid and meant for...

Therapium GINKARIS™ Protective Booster
Oil-free gel booster · organic ginkgo biloba leaf extract · mix in or layerA concentrate, not a finished product. You decide what it goes into. An oil-free gel built on ginkgo biloba leaf extract, with green tea leaf, oak bark and grape seed...

Therapium COLLAVIS™ Plumping Serum
Light serum · hyaluronic acid, sodium PCA, watercress and elder fruit extracts · dry and mature skinA light serum for skin that looks tight or lacklustre by the afternoon. Hyaluronic acid in two forms and sodium PCA hold water at the surface, while organic sunflower seed...

Therapium HYDRALIS™ Hydrating Serum
Hydrating serum · hyaluronic acid, rose flower water, bisabolol · all skin typesA light-as-air serum for skin that just needs water. Organic aloe juice and rose flower water carry hyaluronic acid in two forms, with bisabolol for comfort and cloudberry and peony...

Therapium LUMERIS™ Radiance Serum
Vitamin C serum · 2% ascorbyl glucoside, 1% ferulic acid, 1% sea buckthorn oil · contains sweet almond oilA vitamin C serum for a complexion that looks dull or uneven. 2% vitamin C as ascorbyl glucoside — a stable form that does not sting — with 1% ferulic...

Therapium VESPERA™ Line Smoothing Serum
Line smoothing serum · 2% Bidens pilosa extract, a retinol alternative · all skin typesA lightweight serum built around 2% Bidens pilosa extract, a plant-derived retinol alternative. Bidens pilosa is the reason this serum exists. It sits in a base of aloe vera juice,...

Therapium CLARITAS™ Tone Perfecting Serum
Brightening serum · alpha-arbutin, Bidens pilosa extract, hyaluronic acid · all skin typesA lightweight serum for skin that looks uneven in tone.Alpha-arbutin is paired with Bidens pilosa extract, hyaluronic acid and sodium PCA on a base of glycerin and organic sunflower seed...

Therapium HYDRALIS™ Double Hydration Gel
Oil-free hydrating gel · multi-weight hyaluronic acid, sodium PCA, white tea · normal, dehydrated and combination skinA weightless gel that gives skin a second layer of hydration, without a heavy finish.Multi-weight hyaluronic acid works alongside sodium PCA on a base of organic aloe leaf juice, with...

Therapium EXOVIA™ Skin Renewal Serum
Exosome and niacinamide serum · apple exosome complex · 30 mlA lightweight serum for skin that looks tired, uneven or dull. Apple-derived exosomes work with niacinamide and microbiome-supporting ferments to help strengthen the look of the skin barrier. Lactic acid...

Therapium AEQUILIS™ Rebalancing Jelly Serum
Oil-free prebiotic jelly serum · lactobacillus ferment lysate, hyaluronic acidA gel serum with prebiotics, for skin that wants hydration without weight. The texture is the point here: a clear jelly that breaks down to water on contact and disappears...
