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01 / 04 Supplements
GLOTAMIN
ENTOD BEAUTY
10 TABS
Clinical Efficacy Markers
- Glutathione
- Astaxanthin
- Alpha Lipoic Acid
The Science of Supplements
ENTOD BEAUTY GLOTAMIN (10 TABS)
Drug Facts
Glutathione, Astaxanthin, Alpha Lipoic Acid, Co Enzyme Q10, Resveratrol, Grape Seed Extract with Vitamin A & Vitamin C Tablets. Each tablet contains: Glutathione, Astaxanthin (AstaReal by Fuji Chemical, Japan), Alpha Lipoic Acid, Co Enzyme Q10, Resveratrol, Grape Seed Extract, Vitamin A, Vitamin C
⚑ Contains photosensitising ingredient(s) — pair with SPF 50+.
INGREDIENT · RETINOID, VITAMIN A DERIVATIVE
Retinol
also known as Vitamin A, Retinyl Alcohol
Function
May help support skin cell turnover, collagen synthesis, and reduction of fine lines and wrinkles through vitamin A receptor activation
How it works
Retinol undergoes metabolic conversion to retinaldehyde and retinoic acid, which bind to nuclear retinoid receptors (RAR and RXR) in keratinocytes and fibroblasts. This activation has been shown to upregulate genes involved in collagen synthesis, cell proliferation, and differentiation while potentially downregulating matrix metalloproteinases. Research indicates retinol may also support mitochondrial function and counteract photo-oxidative stress in dermal fibroblasts through multiple signaling pathways including those related to cellular senescence.
⚑ For Indian skin (Fitzpatrick IV–VI)
Retinol may carry heightened irritation risk in Fitzpatrick IV-VI skin types and requires cautious introduction due to increased melanin content and barrier sensitivity. Post-inflammatory hyperpigmentation (PIH) is a significant concern in Indian skin populations; initiation at lower concentrations (0.25%) with gradual titration over 4-8 weeks is recommended. In Kerala's tropical, humid climate with high UV exposure, concurrent use of broad-spectrum SPF 50+ UVA/UVB sunscreen is mandatory to prevent photodamage and mitigate PIH risk. Formulations should incorporate stabilizing technologies (such as ethosomes or encapsulation systems) to reduce irritation potential while enhancing permeation without overwhelming the skin barrier. Night-time application and alternating frequency (2-3 times weekly initially) may help minimize sensory irritation and erythema in darker skin phenotypes.
Effective concentration
0.25–1 % w/w (optimal ~0.5% w/w)
Clinical evidence
Studies indicate that ethosomal encapsulation of retinol using TPGS modification substantially reduces degradation rates at room temperature while maintaining particle size stability. Research suggests that optimized ethosomal formulations with binary alcohol systems can achieve enhanced transdermal permeation and drug loading capacity, potentially addressing retinol's chemical instability limitations. Incorporation of antioxidants has been shown to further improve stability profiles of retinol-containing delivery systems.
et al. AAPS PharmSciTech. 2026. PubMed →
Research indicates that retinoids including retinol remain the gold standard for topical anti-aging treatments, though their application is frequently limited by skin irritation and poor tolerability, particularly in sensitive or aged populations. Studies suggest comparative efficacy between retinol and plant-based alternatives can be evaluated through transcriptomic analysis and collagen synthesis assays in both 2D and 3D skin models. Evidence indicates that retinol's irritation profile may be particularly problematic for certain populations, creating clinical demand for refined formulation approaches.
et al. Pharmaceuticals (Basel, Switzerland). 2026. PubMed →
Research indicates that retinol shows promise in addressing dermal fibroblast senescence, which is a central mechanism of skin aging involving telomere shortening, mitochondrial decline, and dysregulation of signaling pathways. Studies suggest retinol's mechanism may involve modulation of pathways such as TGF-β and mTOR signaling to counteract the senescence-associated secretory pattern (SASP). However, retinol remains constrained by transdermal efficiency and cellular targeting limitations that present opportunities for formulation innovation.
et al. International Journal of Molecular Sciences. 2026. PubMed →
Research indicates that retinol has been employed in reconstructed human epidermis models to induce photo-oxidative stress, demonstrating its relevance in studying skin aging mechanisms. Studies suggest that evaluation of anti-aging compounds often involves co-treatment with retinol to assess inflammatory, hydration, proliferation, and barrier-related markers. Evidence indicates retinol's role in photodamage modeling helps elucidate mechanisms of cellular senescence and mitochondrial dysfunction in skin aging pathways.
et al. Biomedicines. 2026. PubMed →
Pairs well with
Tocopherol · Tocopheryl Acetate · Niacinamide · Hyaluronic Acid · Ceramides · Glycerin · Centella Asiatica Extract · Rosmarinus Officinalis Extract
Avoid combining with
Benzoyl Peroxide · Vitamin C (L-Ascorbic Acid) at high pH · AHA/BHA (concurrent use may increase irritation) · Tretinoin · Adapalene · Isotretinoin
INGREDIENT · ANTIOXIDANT, ANTI-AGING, SKIN BRIGHTENING
Ascorbic Acid
also known as Vitamin C
Function
Antioxidant protection, collagen synthesis support, and melanin regulation
How it works
Ascorbic acid functions as a free radical scavenger, reducing oxidative stress that contributes to photoaging and hyperpigmentation. Research indicates it may support collagen cross-linking and stabilization through its role as a cofactor in hydroxylation reactions. Studies suggest ascorbic acid derivatives may suppress inflammatory cytokine pathways including interleukin-33, potentially benefiting barrier-compromised skin states. Evidence indicates it may modulate melanin synthesis pathways, though efficacy is dependent on formulation stability and skin penetration.
⚑ For Indian skin (Fitzpatrick IV–VI)
Ascorbic acid has been shown to support barrier function and may help address post-inflammatory hyperpigmentation (PIH), a significant concern in Fitzpatrick IV-VI skin types prevalent in Kerala. Studies on ascorbic acid derivatives suggest they may suppress inflammatory mediators that exacerbate PIH development in darker skin tones. In Kerala's humid tropical climate, the high instability of pure ascorbic acid necessitates stabilized derivatives such as tetrahexyldecyl ascorbate for effective formulation and penetration. Patients with Fitzpatrick IV-VI skin should be monitored for potential irritation during initial use, particularly in combination with other actives, and formulations should be pH-controlled (pH 3.5 or lower for efficacy without excessive irritation). Evidence suggests that well-formulated ascorbic acid preparations may support epidermal turnover and dermal matrix organization, which may help improve barrier resilience in darker skin types prone to reactive conditions.
Effective concentration
10–20 % (for pure ascorbic acid; derivatives may be effective at lower concentrations) (optimal ~15% (for pure ascorbic acid; derivatives may be effective at lower concentrations))
Clinical evidence
Tetrahexyldecyl ascorbate, a lipid-soluble derivative of ascorbic acid, has been shown to have superior stability and skin-mimicking properties compared to native ascorbic acid. Studies suggest this derivative may address both extrinsic photoaging and intrinsic hyperpigmentation without the formulation challenges of parent compound ascorbic acid.
Not specified in abstract Journal of Cosmetic Dermatology. 2026. PubMed →
Glyceryl ascorbate derivatives (2GA16) demonstrated dose-dependent suppression of interleukin-33 expression and increased expression of filaggrin and involucrin in keratinocytes. Research indicates these modifications may support epidermal barrier formation and reduce inflammatory cytokine production relevant to atopic and reactive dermatitis.
Not specified in abstract Skin Pharmacology and Physiology. 2026. PubMed →
Ascorbic acid has been shown to induce epidermal turnover and support synthesis of well-aligned extracellular matrix through perivascular niche cells in human skin equivalents. Evidence suggests these mechanisms may improve skin barrier function and dermal elasticity through cell-to-cell communication pathways.
Not specified in abstract EMBO Reports. 2026. PubMed →
Ascorbic acid showed linear concentration-response antioxidant activity in FRAP assays with half-maximal effective concentration values consistent with literature standards. Research indicates ascorbic acid demonstrates reliable measurable antioxidant capacity suitable for cosmetic formulation stability profiling and comparative analysis.
Not specified in abstract MethodsX. 2026. PubMed →
Pairs well with
Hyaluronic Acid · Glycerin · Vitamin E · Ferulic Acid · Niacinamide · Peptides
Avoid combining with
Benzoyl Peroxide · High pH ingredients · Retinol (may reduce stability; use in separate formulations) · Sodium Bicarbonate · Iron or copper ions (destabilizing)
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