AIR SPICULE™ · DELIVERY PLATFORM

The Mechanism.

How engineered micro-spicules physically create channels through the skin barrier and deliver active ingredients where they work — without pain, tissue damage, or chemical enhancers. This is the engineering behind “precision over force.”

Platform
Air Spicule™
Basis
Vegan engineered silica
Substance patent
KR 10-2799648
Sensation
Painless by design
§ 1

The Barrier Problem.

Most skincare never reaches the layers where aging happens. The obstacle is the skin's own defense system — and it is far better at its job than the ingredient industry likes to admit.

A barrier built to keep things out

The stratum corneum — the outermost layer of skin — is a 10–30 micrometer wall of dead cells (corneocytes) and lipids engineered by evolution to block foreign molecules. Two rules govern what gets through. First, the 500 Dalton rule: only molecules under ~500 Da can passively cross. Second, the barrier is lipid-rich, so water-soluble molecules struggle even when small enough.

Nearly every high-performance anti-aging active fails one or both tests. Peptides, collagen, hyaluronic acid, NMN, and PDRN are large, water-soluble, or both. The result is the industry's quiet failure: most serums sit on the surface and never reach the viable epidermis or dermis where aging actually occurs.

Barrier Thickness
10–30μm
The stratum corneum — dead corneocytes and lipids forming the skin's primary defense shield.
Passive Penetration Limit
500Da
Molecules above ~500 Daltons cannot passively cross intact stratum corneum (Bos & Meinardi, 2000).
Actives Blocked
Most
NMN, peptides, HA, PDRN — the ingredients that matter — are too large or too water-soluble to pass on their own.
§ 2

What Air Spicule™ Is.

Air Spicule™ is a patented next-generation drug-delivery system built on vegan silica micro-rods. It does not rely on passive absorption. It engineers penetration.

Unlike the natural sponge-derived spicules used by every competitor, Air Spicule™ is engineered from the ground up through a patented low-temperature, high-pressure enzymatic purification process — a non-chemical refinement method. Each rod is a hollow, mesoporous silica structure: a reservoir that carries active ingredients and, on application, physically creates transient micro-channels through the stratum corneum so those actives bypass the barrier entirely.

120% more absorption vs. traditional spicule
Hard specifications
SpecificationAir Spicule™Conventional spicule
Spicule length (adjustable)10 / 30 / 60 / 100 μm200–250 μm
StructureHollow mesoporous silica rodSolid, capillary core
Porosityup to 75 %~3 %
Active-loading capacity~25× greater1× (baseline)
MaterialVegan engineered silicaAnimal / sponge-derived
ReleaseControlled-release timingNone
SensationPainless by designPainful; irritation possible
CompatibilityHydrophilic + lipophilic activesLimited

Substance patent KR 10-2799648 (hollow mesoporous silica rod), held by the manufacturing partner; Air Spicule™ is built on this estate. Figures characterise the delivery platform.

Tunable rod length — engineered grades vs. natural
To scale · micrometers
15 μm1530 μm3060 μm60100 μm100237.8 μm · natural237.8
Manufactured in selectable 15 / 30 / 60 / 100 μm grades — each a fraction of a natural spicule's 237.8 μm. Length, not width, decides whether a rod reaches the pain-triggering nerve layer.
§ 3

Length, Not Width.

This is the single engineering insight that separates EVORÍ from every competitor — and the one the market keeps getting wrong.

Pain comes from spicule length, not width. When a spicule breaches 120–150 micrometers, it reaches the dermal nerve plexus and triggers nociceptor (pain-fiber) response. Natural spicules at 200–250 micrometers absolutely reach this depth — causing burning, redness, and post-application sensitivity — no matter how thin they are made. Air Spicule™ at 10–100 micrometers is engineered to stop short of the pain threshold while still crossing the stratum corneum (10–30 μm) and penetrating the viable epidermis.

Penetration depth vs. the nerve layer
Engineered 60 μm rod vs. natural 200–250 μm spicule · to scale
02560 120150260 μm Stratum corneum · 10–30 μm Viable epidermis Papillary dermis Nociceptor nerve layer Reticular dermis Air Spicule™ 60 μm stops above nerve Natural spicule · 200–250 μm reaches nerve → pain
The engineered rod reaches active-delivery depth and halts above the nociceptor layer. The natural spicule overshoots into the nerve plexus — the mechanical source of the “tingle” shoppers have learned to endure.
The size deception in the market

Some competitors emphasise the small width of their spicules to appear less aggressive. It changes nothing. A 200–250 μm rod penetrates to pain-triggering depth regardless of how fine it is. Width is a marketing lever; length is the physics. EVORÍ competes on the physics.

§ 4

How It Penetrates.

Application opens a temporary, reversible channel — then the skin closes it. No chemicals, no lasting damage.

1
Micro-channel formation. On application, the rods create transient, reversible channels through the stratum corneum. Channels stay open ~15–20 minutes — long enough for high-molecular-weight actives (peptides, HA, nucleotides) to diffuse through. Mechanical and reversible, unlike harsh chemical enhancers (alcohols, DMSO).
2
Active transport. Water-soluble actives (NMN, PDRN, peptides, multi-weight HA) diffuse into the viable epidermis and upper dermis. Lipophilic actives (bakuchiol, retinol) leverage the opened lipid environment to reach depths conventional serums never achieve.
3
Closure & recovery. Channels begin closing within ~25 minutes; the barrier restores over the following hours. Independent human micro-channel research measures a closure half-life of ≈0.76 days with no erythema or irritation (Brogden et al., 2012, J. Controlled Release).
§ 5

Material Science.

Every claim above is anchored in electron-microscopy measurement. The engineered rod is shorter, hollower, and thinner-walled than anything nature produces.

Engineered vs. natural — measured structure
ParameterAir Spicule™ (Neo)Natural spiculeMethod · source
Rod length (grade)15 / 30 / 60 / 100 μm200–250 μmOptical + SEM
Measured length (60 grade)60.2 μm237.8 μmOptical microscopy
Outer diameter1.70 μm15.27 μmCross-section
Inner void diameter1.59 μm2.68 μmCross-section
Shaft width (SEM)1.92 μm~15 μmSEM · PNU CRF
Wall (shell) thickness81 nmsolid coreTEM · PNU CRF
Internal void (air gap)30–70 %~3 %Morphometry
Active-loading capacity~25×BET

PNU CRF = Pusan National University Central Research Facilities (SEM/TEM, 2024). The hollow mesoporous architecture is what gives the shorter rod far greater carrying capacity — 30–70% of its volume is usable internal space versus ~3% for a natural spicule.

Cross-section — hollow engineered rod vs. near-solid natural spicule
Normalised to equal outer diameter to compare internal void
void Neo Spicule outer 1.70 μm · wall ~81 nm void ≈ 87% of area Natural spicule outer 15.27 μm · solid shaft void ≈ 3% of area
Cross-sections normalised to equal outer diameter so the internal void fraction is visible (actual outer diameters differ ~9×). The engineered rod is almost entirely hollow — the reservoir that carries active ingredients.
Usable internal volume (porosity)
BET analysis · % of rod volume
Air Spicule™ 75% Natural spicule ~3%
Up to 75% of the engineered rod is usable internal space versus ~3% for a natural spicule — the structural basis for ~25× greater active-ingredient loading.
§ 6

The Manufacturing Process.

Consistency is the product. Every rod in a batch is engineered to the same length, porosity, and purity — the opposite of milled natural spicules.

1
Enzymatic purification. Vegan silica precursors are refined via a patented low-temperature, high-pressure enzymatic method — no harsh chemicals — yielding pure, consistent silica free of the contaminants found in milled natural spicules.
2
Mesoporous architecture. Controlled sol-gel synthesis builds the hollow rod with interconnected pore networks — BET-verified porosity up to 75% — creating the internal volume that enables 25× loading and time-release kinetics.
3
Length precision. Manufacturing yields uniform 15 / 30 / 60 / 100 μm grades, selectable per formulation. SEM confirms tight tolerance per batch — eliminating the size heterogeneity that makes natural spicules unpredictable and painful.
4
Impregnation & coating. Actives are loaded into the hollow core; optional biocompatible surface coatings (diamond, PVA) tune controlled release — staged delivery impossible with solid natural spicules.
§ 7

Delivery & Recovery.

Open, deliver, heal — a cycle consistent with normal skin turnover, not injury.

Cellular uptake. Once past the barrier, actives reach target cells and initiate pathways: NMN → mitochondrial NAD⁺ restoration → sirtuin activation; PDRN → P2Y6 signalling → collagen synthesis; peptides → SNARE modulation or fibroblast stimulation. Delivery is what makes the formulation effective — not a bonus feature.

Barrier recovery. Transepidermal water loss elevates briefly (channels open), then normalises within hours as the barrier restores. This open-then-heal behaviour is fundamentally different from chemical penetration enhancers, which disrupt the barrier for hours and cause chronic sensitivity.

Precision over force

Mild sensation confirms that the micro-spicules are actively delivering ingredients. Pain indicates tissue damage. EVORÍ produces the former, never the latter — and is honest about the distinction. Precision, not force. Potency without pain. That is what skincare becomes when the technology is actually good enough.

See the mechanism at work.