Biologique Recherche

Serum Spectral

Regular price $195.00 USD
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Serum Spectral strengthens skin resilience and helps the skin better adapt to daily light exposure.

Its formula, inspired by the skin’s natural functioning, acts on essential mechanisms linked to light exposure. Thanks to its active ingredients, it supports the skin’s natural functions against light-related aggressions.

Results: Its formula introduces antioxidant activity with a 100% reduction of UV*-induced oxidation levels.

A progressive and measurable improvement in skin quality:

  • After 28 days, skin appears more radiant, with +10% radiance, a benefit that increases to +16% after 56 days
  • Skin tone becomes more even (+18% after 56 days)
  • Skin softness improves by +8% after 28 days, and +16% after 56 days**

*Ex vivo study

**Clinical evaluation and VISIA analysis conducted on 33 volunteers aged 23 to 70. All skin types, including those with uneven skin tone, excluding melasma. Application twice a day for 56 days.

Apply morning and evening using upward massage strokes to the face, neck and décolleté. Sérum Spectral can be incorporated into any Biologique Recherche skincare routine, in accordance with the recommendations of our skin experts.
Apply during the treatment phase, after the initialization phase, and note that it does not replace the use of sun protection.
External use only.

WATER (AQUA), PROPANEDIOL, METHYLPROPANEDIOL, SEA WATER (MARIS AQUA), MORINGA OLEIFERA SEED OIL, GLYCERIN, CAPRYLYL GLYCOL, POLYACRYLATE CROSSPOLYMER-6, VACCINIUM VITIS-IDAEA FRUIT EXTRACT, LAURYL GLUCOSIDE, POLYGLYCERYL-6 LAURATE, TRISODIUM ETHYLENEDIAMINE DISUCCINATE, SODIUM BENZOATE, ACACIA SENEGAL GUM, XANTHAN GUM, MYRISTYL GLUCOSIDE, RHAMNOSE, PHENYLPROPANOL, CITRIC ACID, DECARBOXY CARNOSINE HCL, SCHISANDRA CHINENSIS FRUIT EXTRACT, PHENETHYL ALCOHOL, SACCHARIDE ISOMERATE, GLUCONOLACTONE, ROSMARINUS OFFICINALIS (ROSEMARY) LEAF EXTRACT, ARGININE, BENZYL ALCOHOL, CALCIUM GLUCONATE, CINNAMAL, CINNAMYL ALCOHOL, CITRAL, FARNESOL, LYSINE, POLYGONUM TINCTORIUM LEAF/STEM EXTRACT, SILANETRIOL.

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  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty
  • Victoria Roggio Beauty

The Westman Atelier liquid foundation, sold as Key Skincare Complexion Drops, is a hybrid formula that behaves like a serum and finishes like a second skin. It evens tone with buildable light-to-medium coverage while peptides, sodium hyaluronate and niacinamide work on hydration and texture underneath. At Victoria Roggio Beauty, it is one of the pieces clients keep repurchasing once they see how it wears at hour eight.

What Makes It a Skincare Hybrid

Most foundations sit on the surface and rely on silicones to fake smoothness. This one skips silicones and microplastics, so the blurring effect comes from the way the emulsion glides over texture rather than filling it in with plastic film.

The finish reads fresh and slightly luminous, not dewy to the point of slipping. Because coverage is buildable, one or two drops can look like clear skin, while three to four handles redness or post-blemish marks.

Key Ingredients and What They Do

Peptides (Oligopeptide-1, palmitoyl peptides)

Support elasticity and collagen structure, softening the look of fine lines over consistent use.

Sodium hyaluronate

A lower-molecular-weight form of hyaluronic acid that holds moisture in the skin and visibly plumps.

Niacinamide

Refines the look of pores, smooths texture and brightens dullness, which is why the skin often looks better bare after a few months.

Chlorella and rosemary extracts

Antioxidants that help defend against daily environmental stress like pollution and blue light.

How to Apply It

  1. Start with two drops on the back of your hand after moisturizer has absorbed, usually 60 seconds.
  2. Press it in with fingertips or a dense brush, working from the center of the face outward.
  3. Build only where you need it: around the nose, chin and any lingering discoloration.
  4. Set lightly under the eyes if you tend to crease; the rest can stay bare.

Who It Suits Best

  • It performs well on normal, dry and mature skin, and on combination skin when paired with a light setting powder through the T-zone. Very oily skin types often prefer a drop less and a mattifying primer.


Frequently asked questions

How long does one bottle last?

Most clients get four to six months from the 30ml bottle using two to three drops daily. Heavier coverage users go through it in roughly three months.

Is it non-comedogenic?

The formula is made without silicones, microplastics or synthetic fragrance, which are common triggers for congestion. Patch test along the jaw for three days if you are acne-prone.

Can it replace a serum?

It delivers serum-level actives, but it is best used over your treatment step rather than instead of it. Think of it as a fourth layer of skincare that happens to give coverage.

Find Your Shade

Victoria Roggio Beauty offers shade matching and application guidance so you buy the right depth and undertone the first time. Contact the studio or order the Complexion Drops directly from the shop.