Actives extractives

APPLEguard®

Phytomelatonin-Inspired Blue-Light Defense & Circadian Rhythm Restorer

Melanocyte Protection · Pigment pathway control · Renewal efficiency

INCI name

Glycerin, Malus Domestica Fruit Extract

 

 
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ADVANCED BLUE-LIGHT & CIRCADIAN BIODEFENSE

APPLEguard® is a next-generation biomimetic active inspired by the photoadaptive metabolism of the Shinsekai apple, a cultivar naturally enriched in phytomelatonin and protective phenolics.

Under intense day–night light cycles, this fruit activates melatonin-linked defense routes to maintain redox stability and preserve temporal coordination.

Translating these mechanisms to skin biology, APPLEguard® targets two interconnected dimensions of light-driven stress: the oxidative burden induced by high-energy visible light and the circadian disruption that slows night-time renewal.

Through cytoprotection of melanocytes, modulation of pigment-initiating pathways and enhancement of epidermal turnover efficiency, it supports the skin’s ability to sustain functional balance under daily digital exposure.

APPLEguard® provides a science-driven approach to blue-light defense and circadian rhythm restoration, contributing to a more responsive, resilient and well-synchronized complexion.

EFFICACY TEST

Blue-light–induced melanocyte protection (viability)

Rationale
High-energy visible light (HEV) generates ROS/RNS species that impair melanocyte viability and accelerate photo-oxidative stress.

Model
Human epidermal melanocytes were irradiated with blue light for 3 consecutive days and treated with APPLEguard®. Viability was quantified via MTT assay.

Outcome
APPLEguard® preserved melanocyte viability (up to +11.9% vs irradiated control), confirming mitigation of HEV-induced cytotoxicity.

Meaning
Maintaining viable melanocytes preserves cellular integrity under daily digital light exposure and supports upstream photobiological stability.

Effect of APPLEguard® on cell viability under irradiation, showing improved survival at 5, 2 and 1 mg/mL compared to irradiated control.

Pigment pathway control (melanin production)

 

Rationale
Blue light stimulates melanogenesis through oxidative signalling, increasing intracellular melanin independently of UV pathways.

Model
Melanocytes irradiated with blue light were treated with APPLEguard® (5 mg/mL). Melanin content was quantified vs irradiated and non-irradiated controls.

Outcome
Melanin production decreased by –65%, indicating strong attenuation of HEV-induced pigment stimulation.

Meaning
By controlling pigment-initiating pathways, APPLEguard® helps maintain tone stability under recurrent digital exposure.

Effect of APPLEguard® 5 mg/mL on melanin production after UV irradiation, showing a 65% reduction compared to irradiated control, with representative microscopy images.

Integrated Multi-Endpoint Clinical Evaluation

Rationale

Daily blue-light exposure and environmental stressors impair the skin’s mechanical behaviour—lower elasticity, higher deformation—and slow down stratum corneum turnover, disrupting circadian-regulated renewal.

Study Design

A 28-day multi-endpoint clinical evaluation performed on outdoor workers (35–65 y/o; all endpoints were collected on the same volunteer panel). A cream containing 5% APPLEguard® was compared with placebo under two standardized protocols:

  • half-face application for biomechanical parameters (elastic recovery R2, firmness under load F4)

  • forearm application for renewal efficiency (SCTT, DHA–ITA° kinetics)

 

  • Elasticity & Firmness Improvement (Cutometer® R2, F4)

Model
Cutometer® measurements of elastic recovery (R2) and deformation under load (F4) after 28 days of half-face application.

Outcome
APPLEguard® improved elastic recovery (+7.8%) and reduced deformation under stress (F4: –23.5% vs T0 and vs placebo).

Meaning
Improved mechanical behaviour indicates better structural efficiency and resistance to stress-related fatigue, consistent with circadian-supported recovery.

Effect of APPLEguard® on skin elasticity (R2 parameter), showing a +7.8% improvement after 28 days compared to baseline and placebo.
Effect of APPLEguard® on skin firmness (F4 parameter), showing a 23.5% reduction in deformation under stress after 28 days compared to baseline and placebo.
  • RENEWAL EFFICIENCY ENHANCEMENT (SCTT — DHA/ITA° method)

Model
SCTT was assessed on the forearm using DHA–ITA° pigmentation recovery kinetics.

Outcome
APPLEguard® accelerated epidermal turnover by ~4 days compared with placebo.

Meaning
A faster, well-coordinated renewal rhythm supports circadian synchrony and enhances overall skin vitality.

Comparison of stratum corneum turnover time showing faster renewal with APPLEguard® versus untreated and placebo conditions, shifting from adult slowed renewal toward youthful efficient renewal.
  •  PERCEIVED BENEFITS (panel assessment)

Rationale
Subjective perception helps contextualize mechanical and renewal improvements under real-life environmental exposure.

Study
Same 28-day clinical design; participants evaluated visible fatigue signs, radiance, smoothness and overall skin condition.

Outcome
APPLEguard® was consistently preferred over placebo, with volunteers reporting reduced signs of fatigue, improved brightness and smoother texture.

Meaning
Subjective improvements align with mechanical and renewal outcomes, reinforcing APPLEguard®’s circadian-supportive profile.

Radar chart showing self-assessment results after 28 days of APPLEguard® (5% cream), with improvements in radiance, elasticity/firmness, balanced skin, overnight renewal and tone evenness versus placebo.

Taken together, these findings establish a robust, multi-dimensional efficacy profile for APPLEguard®, spanning cellular protection, mechanical performance, renewal dynamics and perceived benefits.
  • Blue-Light Defense
    Mitigates key stress signals activated by high-energy visible light.
  • Melanocyte Protection
    Supports melanocyte integrity under blue-light-induced oxidative load.
  • Pigment Pathway Control
    Helps regulate early melanogenic triggers, including tyrosinase activity.
  • Mechanical Performance Support
    Contributes to improved elastic recovery (R2) and reduced deformation (F4).
  • Renewal Rhythm Optimization
    Supports a more efficient stratum corneum turnover (SCTT).
  • Multi-Endpoint Clinical Validation
    Efficacy confirmed across cellular, mechanical, renewal and perceived markers.
  • Biomimetic Extractive Technology
    Advanced Extractives process yielding a high-purity, phytomelatonin-inspired concentrate.
  • Safe, Biodegradable & Regulation-Friendly
    Naturally derived, readily biodegradable and aligned with modern regulatory standards.

ORIGIN

Plant extraction

 
   Appearance Clear Liquid
   Colour Light yellow
   Odour Characteristic
   pH 3.5 – 6.5
   Dry residue (105°C) >95%
   Specific Gravity (25°C) 1.2 – 1.3
  • Daily blue-light protection
  • Digital-exposure defense
  • Anti-fatigue & circadian-support care
  • Early pigment-modulation routines
  • Tone-stability & brightness care
  • Mechanical-performance enhancement
  • Renewal-optimizing skincare
  • Multi-defense hybrid treatments (HEV + oxidative stress + renewal)
  • Lightweight facial serums & gel-moisturizers

 

% OF USE: 2.0 – 5.0%

 

 

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