Glossary

Ingredients.

Every active in a Selene formula is selected for one reason: published evidence that it works at the molecular level the label promises. This is the laboratory's reading list.

Signal Peptide

INCI · Palmitoyl Tripeptide-1

Palmitoyl Tripeptide-1

A matrikine signal that instructs fibroblasts to synthesize new collagen.

A lipid-conjugated tripeptide derived from the natural breakdown of collagen. The palmitoyl chain enables it to cross the stratum corneum and reach the fibroblast layer, where it binds receptors that upregulate collagen I, III, and fibronectin synthesis.

  • Increases dermal density
  • Smooths fine lines
  • Restores firmness over 8–12 weeks

Found in: Peptide Radiance Repair Cream

Carrier Peptide

INCI · Copper Tripeptide-1

Copper Tripeptide-1 (GHK-Cu)

Ferries trace copper into the dermis, where it activates wound-repair pathways.

First isolated from human plasma in 1973. GHK binds copper with high affinity and delivers it across the barrier, triggering antioxidant defense, collagen and elastin synthesis, and the remodelling of the extracellular matrix.

  • Accelerates barrier repair
  • Reduces post-inflammatory pigmentation
  • Improves elasticity

Found in: Midnight Exosome Elixir

Retinoid Alternative

INCI · Bakuchiol

Bakuchiol

A plant-derived molecule that activates retinoic acid receptors without the irritation.

Extracted from the seeds of Psoralea corylifolia. In 12-week split-face studies, bakuchiol matched the wrinkle-reducing effect of retinol with no scaling, redness, or photo-sensitization. Safe through pregnancy and across all phototypes.

  • Retinoid-equivalent renewal
  • No irritation
  • Daytime-safe

Found in: Radiant Tone Serum

Vitamin B3

INCI · Niacinamide

Niacinamide

A multifunctional vitamin that strengthens the barrier and regulates pigmentation.

A water-soluble form of vitamin B3. At 4–5% it improves ceramide synthesis, reduces transepidermal water loss, inhibits melanosome transfer to keratinocytes, and modulates sebum. One of the most evidence-supported molecules in modern dermatology.

  • Reinforces barrier
  • Evens tone
  • Refines pore appearance

Found in: Luminous Barrier Cleanser · Radiant Tone Serum

Barrier Lipid

INCI · Ceramide NP, Ceramide AP, Ceramide EOP

Ceramide Complex (NP, AP, EOP)

The structural lipids that hold the skin's water-retentive lattice together.

Ceramides comprise roughly 50% of the lipid mass of the stratum corneum. A multi-ceramide complex — NP, AP, and EOP — restores the bilayer in the precise ratio the skin produces it, sealing in moisture and excluding irritants.

  • Restores barrier
  • Reduces sensitivity
  • Locks in hydration overnight

Found in: Peptide Radiance Repair Cream

Regenerative Vesicle

Plant-Derived Exosomes

Nano-vesicles carrying signaling RNA, peptides, and lipids that activate skin repair.

Exosomes are nanoscale messengers — 30 to 150 nm — that cells use to communicate. Plant-derived exosomes (often from rose stem cells or Centella asiatica) deliver micro-RNAs and growth-factor mimics that prompt dermal cells to enter a repair-and-renewal state.

  • Stimulates regeneration
  • Reduces inflammatory markers
  • Improves skin density

Found in: Midnight Exosome Elixir

Humectant

INCI · Sodium Polyglutamate

Polyglutamic Acid

A humectant that holds up to four times more water than hyaluronic acid.

A biopolymer fermented from Bacillus subtilis. Where hyaluronic acid binds approximately 1,000 times its weight in water, polyglutamic acid binds up to 5,000. It also inhibits the enzyme that breaks down naturally occurring hyaluronan.

  • Plumps surface texture
  • Boosts native hyaluronic acid
  • Long-lasting hydration

Found in: Rosewater Lychee Drink

Stabilized Vitamin C

INCI · Tetrahexyldecyl Ascorbate

Tetrahexyldecyl Ascorbate

An oil-soluble, pH-stable form of vitamin C that penetrates deeper than L-ascorbic.

L-ascorbic acid is famously unstable. Tetrahexyldecyl ascorbate is its lipid-soluble ester — stable at neutral pH, four times more bioavailable in the dermis, and non-irritating. It converts to active ascorbate inside the cell.

  • Brightens tone
  • Neutralizes free radicals
  • Co-factor for collagen synthesis

Found in: Citrus Glow Drink

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