ESD Botanical Serum Formulations & Radiate Monograph

1. Anatomy of the Shared ESD Liposomal Backbone

Inspection of preserved 2019-2022 WooCommerce formulation manifests reveals why the Ampersand line functioned as a modular layering system rather than competing single-note serums. Rather than relying on volatile ethanol or silicones as penetration enhancers, every serum suspended its hydrophilic peptides and botanical ferments inside a lecithin-phospholipid and lysolecithin emulsion matrix stabilized with sclerotium gum, xanthan gum, and pullulan.

Crucially, the chelating and pH system combined phytic acid, tetrasodium glutamate diacetate (GLDA, a biodegradable chelate replacing EDTA), and citric acid. Chelating trace ferric and cupric ions prevents rapid browning of resveratrol and cloudberry polyphenols in clear or semi-translucent dropper bottles.

2. Radiate Brightening Serum: Glabridin, Niacinamide & Pearl Conchiolin

Featured in national beauty press such as SheKnows and Marie Claire (2019), Radiate (SKU SFRAD006, 30 mL) paired three distinct melanogenesis-modulating mechanisms in a fragrance-free emulsion:

First, Glycyrrhiza glabra (black licorice) root extract supplies glabridin, a hydrophobic isoflavane that competitively inhibits tyrosinase catalytic activity without melanocyte cytotoxicity. Second, niacinamide (vitamin B3) operates downstream by blocking melanosome transfer from melanocytes to surrounding keratinocytes while simultaneously stimulating endogenous ceramide synthesis (Tanno et al., BJD 2000). Third, micronized pearl powder contributes bio-available calcium carbonate and conchiolin amino acids that impart soft-focus optical reflectance on dull stratum corneum surfaces.

3. Palmitoyl Tripeptide-1 & Tetrapeptide-7 Synergy

The inclusion of palmitoyl tripeptide-1 (Pal-GHK) and palmitoyl tetrapeptide-7 (Pal-GQPR) across the ESD serums reflects standard matrikine signaling chemistry. Palmitoylation attaches a 16-carbon fatty acid chain to the water-soluble peptide sequence, raising its logP partition coefficient so it traverses the lipid-rich stratum corneum far more effectively than unlipidated tripeptides.

In vitro fibroblast assays indicate that Pal-GHK mimics collagen breakdown fragments to stimulate TGF-beta-mediated procollagen I synthesis, whereas Pal-GQPR suppresses basal interleukin-6 (IL-6) secretion following UV stress. Because peptide amide bonds hydrolyze slowly below pH 3.5, maintaining ESD serums near pH 5.2-5.6 preserves peptide integrity over a 24-month shelf life.

4. Retinyl Palmitate vs. Retinaldehyde & DMAE Bitartrate Buffering

Notice that the historical Radiate and Refine serums utilized retinyl palmitate (a gentle vitamin A ester stored naturally in epidermal lipid droplets) alongside dimethylaminoethanol (DMAE) bitartrate and carnitine HCl. Retinyl palmitate requires two intracellular enzymatic conversions (palmitate cleavage to retinol, followed by oxidation to retinaldehyde and retinoic acid), trading rapid retinoid turnover for minimal retinoid dermatitis in daily brightening serums.

By contrast, formulators deploying modern 0.05% encapsulated retinaldehyde achieve single-step enzymatic conversion to retinoic acid while still demanding strict separation from low-pH L-ascorbic acid or salicylic acid washes. Meanwhile, buffering basic DMAE as its bitartrate salt prevents the alkaline pH spike (> pH 8.5) associated with unneutralized DMAE free base, keeping the final serum harmonized with the stratum corneum acid mantle.

5. Complete Archived INCI Verification (Radiate 2020)

For cosmetic chemists and ingredient auditors verifying legacy product disclosures, the verbatim 2020 Radiate ingredient deck preserved in our Wayback snapshot reads: Organic Aloe Barbadensis Extract, Glycerin, Squalane, Niacinamide, Butyrospermum Parkii (Shea) Butter, Rice Ferment Filtrate, ESD Proprietary Complex (Rubus Chamaemorus Fruit Extract, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Lecithin, Phospholipids, Resveratrol, Carnitine HCl, Saccharomyces/Xylinum/Black Tea Ferment), Sodium Hyaluronate, Tocopherol, Persea Gratissima (Avocado) Oil, Seaweed Extract, Dimethylaminoethanol Bitartrate, Helianthus Annuus Seed Oil, Melia Azadirachta Seed Oil, Rosmarinus Officinalis Leaf Extract, Sucrose Stearate, Retinyl Palmitate, Pearl Powder, Limnanthes Alba Seed Oil, Glycyrrhiza Glabra Root Extract, Propanediol, Lysolecithin, Sclerotium Gum, Xanthan Gum, Pullulan, Lauryl Glucoside, Tetrasodium Glutamate Diacetate, Citric Acid, Caprylyl Glycol, Phytic Acid, Ethylhexylglycerin, Phenoxyethanol.