SKIN RENEWAL TONER (100ML)

DESCRIPTION

What It Does: Provides humectant hydration and active ingredient solubilization with excellent skin feel.

Why It's Used: Preferred glycol humectant in premium and k-beauty formulations for superior skin feel vs propylene glycol with equivalent functionality.

How It Works: Two hydroxyl groups at 1,3-positions provide water binding and solvent activity. better tolerated than propylene glycol with minimal sensitization risk. 4-carbon backbone provides slightly greater hydrophobic character enabling dissolution of less polar actives vs pg.

Typically Found In: Toners,essences,serums,k-beauty formulas

TECHNICAL DETAILS

Primary Category: Functional ingredient – glycol humectant

Secondary Functions: Tewl reduction,skin plumping

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 1%–10%

SOURCING & ETHICS

Vegan Status: Yes – synthetic

Halal Status: Yes

Source Notes: Synthetic or naturally derived. excellent aqueous solubility.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Non-irritating; suitable for all skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Excellent safety profile. ewg score: 1.

Works Well With: Ceramides,emollients,occlusives,glycerin,hyaluronic acid

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

K-beauty's preference for butylene glycol over propylene glycol is driven by two factors: bg's superior skin feel (less tacky than pg's higher viscosity) and its lower sensitization potential (1,3-bg has better spatial distribution of hydroxyl groups that reduces protein interaction vs pg's 1,2-position oh groups).

Last Verified: Cosing database,cir safety assessment

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Provides natural fruit sugar humectant moisture retention with gentle soothing properties.

Why It's Used: Natural-origin humectant for clean beauty formulations with appealing fruit-derived provenance.

How It Works: Five hydroxyl groups provide strong water binding. slightly higher hygroscopicity than glucose due to fructose ring configuration. soothing activity via mild anti-inflammatory activity of fruit sugar derivatives.

Typically Found In: Natural moisturizers,clean beauty hydrators

TECHNICAL DETAILS

Primary Category: Active ingredient – fruit sugar humectant

Secondary Functions: Natural sugar humectant,soothing

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 1%–10%

SOURCING & ETHICS

Vegan Status: Yes – from fruit (plant sources)

Halal Status: Yes

Source Notes: Synthetic or naturally derived. excellent aqueous solubility.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Non-irritating; suitable for all skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Excellent safety profile. ewg score: 1.

Works Well With: Ceramides,emollients,occlusives,glycerin,hyaluronic acid

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Fructose's ring form (furanose, 5-membered) provides all five hydroxyl groups in a more hydrophilic spatial arrangement than glucose (pyranose, 6-membered), contributing to fructose's slightly superior hygroscopicity over glucose – explaining its preference as a cosmetic humectant among monosaccharides.

Last Verified: Cosing database,cir safety assessment

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Provides the gentlest chemical exfoliation with simultaneous antioxidant, moisture retention, and barrier support.

Why It's Used: Preferred exfoliant for rosacea, eczema, sensitive skin, and post-procedure recovery where standard ahas cause unacceptable irritation.

How It Works: Hydrolyzes slowly on skin surface to gluconic acid providing gentle exfoliation. multiple hydroxyl groups enable water binding (humectant) and metal chelation (antioxidant).

Typically Found In: Sensitive skin exfoliants,rosacea treatments,eczema care,post-procedure recovery

TECHNICAL DETAILS

Primary Category: Active ingredient – polyhydroxy acid (pha)

Secondary Functions: Gentle exfoliation,antioxidant,humectant

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 5%–15%

SOURCING & ETHICS

Vegan Status: Yes – fermentation or synthetic

Halal Status: Yes

Source Notes: Fermentation-derived from glucose or synthetic. among the safest chemical exfoliants available.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: No photosensitization; no stinging; suitable for very sensitive skin.

Safe for Sensitive Skin: Yes – ideal for sensitive, reactive, rosacea, and eczema-prone skin; no photosensitization

SAFETY & COMPATIBILITY

Safety Profile: Exceptional safety profile. no photosensitization. ewg score: 1.

Works Well With: Ceramides,niacinamide,hyaluronic acid,soothing actives

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Phas have molecular weights 2–3× larger than ahas, limiting penetration to superficial layers. combined humectant and antioxidant properties make them uniquely well-tolerated while providing meaningful exfoliation.

Last Verified: Cosing database,green & yu (2003) pha review,cir safety assessment

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Glycerin pulls water from the environment and deeper skin layers into the outer skin layer (epidermis), boosting moisture levels and keeping skin soft, smooth, and plump.

Why It's Used: It is used in virtually every moisturizer, serum, and cleanser because it is highly effective at hydrating skin, is well-tolerated by all skin types, and enhances the texture and spreadability of formulations.

How It Works: As a humectant, glycerin forms hydrogen bonds with water molecules, trapping them in the skin. it also reinforces the skin barrier by integrating into lipid structures between skin cells.

Typically Found In: Moisturizers,serums,cleansers,toners,sheet masks,sunscreens,body lotions,shampoos,conditioners

TECHNICAL DETAILS

Primary Category: Humectant

Secondary Functions: Skin barrier support,emollient,solvent

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 1%–30% (typical: 3–10%)

SOURCING & ETHICS

Vegan Status: Yes – plant-derived (coconut, soy, palm) or synthetic

Halal Status: Yes – when plant-derived or synthetic; verify source with supplier

Source Notes: Derived from plant oils via hydrolysis or saponification; synthetic versions also available. palm-derived glycerin carries sustainability concerns.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low; non-irritating at all standard concentrations

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Extremely rare allergic reactions; generally safe for all skin types including sensitive and baby skin

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Widely recognized as safe. ewg hazard score: 1. no significant concerns for irritation, sensitization, or toxicity at typical concentrations (up to 50%).

Works Well With: Hyaluronic acid,ceramides,niacinamide,panthenol,urea,peptides,retinol,ahas/bhas

Avoid Combining With: No known incompatibilities at standard concentrations

SCIENTIFIC NOTE

Glycerin is an endogenous skin component found naturally in the stratum corneum. aquaporin-3 channels in keratinocytes facilitate glycerin transport, making it integral to natural skin hydration pathways.

Last Verified: Cosing database,cir safety assessment,ewg skin deep,inci decoder

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Delivers postbiotic skin-conditioning metabolites, antioxidant protection, and microbiome-balancing activity through fermentation-derived bioactives.

Why It's Used: Fermentation biotransforms parent substrates into smaller, more bioavailable molecular fractions with enhanced skin activity and postbiotic microbiome benefits.

How It Works: Fermentation-derived metabolites (organic acids, enzymes, peptides, and bioactive polyphenols) interact with skin surface receptors, modulate the microbiome, and penetrate the stratum corneum to condition and protect skin cells.

Typically Found In: Serums,toners,essences,k-beauty formulations,microbiome skincare

TECHNICAL DETAILS

Primary Category: Fermented ingredients

Secondary Functions: Antioxidant,skin-conditioning,brightening

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5–10%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Produced by fermentation process; no animal components unless substrate is animal-derived.

SKIN COMPATIBILITY

Irritancy Rating: 1

Comedogenicity Rating: 0

Sensitivity Concerns: Low sensitization potential at recommended use concentrations.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Well-characterized cosmetic ingredient with established safety profile. generally non-irritating at typical use concentrations. suitable for leave-on and rinse-off cosmetics.

Works Well With: Niacinamide,hyaluronic acid,ceramides,vitamin c,probiotics

Avoid Combining With: Strong oxidizers; extreme ph

SCIENTIFIC NOTE

Fermentation typically reduces molecular weight of substrate polysaccharides and proteins through enzymatic hydrolysis, increasing skin penetration. postbiotic metabolites (short-chain fatty acids, bacteriocins, organic acids) modulate tlr receptor signaling in keratinocytes, influencing barrier gene expression (filaggrin, loricrin) and immune tone without live microorganism exposure.

Last Verified: Cosing eu database; pcpc cosmetic ingredient safety reviews; postbiotic cosmetic ingredient literature; fermentation biotechnology reviews

Primary Sources: 2025-01-15

DESCRIPTION

What It Does: Niacinamide strengthens the skin barrier, reduces visible pore size, regulates sebum production, fades dark spots, and improves skin texture and tone.

Why It's Used: It is used because it addresses multiple skin concerns at once without irritation, making it suitable for all skin types. it is stable in formulations and pairs well with most other actives.

How It Works: Niacinamide inhibits the transfer of melanosomes (pigment packets) to skin cells, reducing hyperpigmentation. it also stimulates ceramide synthesis to strengthen the skin barrier and reduces inflammation by modulating cytokine activity.

Typically Found In: Serums,moisturizers,toners,cleansers,eye creams,sunscreens,primers

TECHNICAL DETAILS

Primary Category: Active ingredient – vitamin

Secondary Functions: Barrier repair,brightening,anti-inflammatory

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 2%–10% (typical: 5%; higher concentrations may cause flushing in some individuals)

SOURCING & ETHICS

Vegan Status: Yes – synthetically produced

Halal Status: Yes – synthetic origin

Source Notes: Commercially produced via synthesis from nicotinic acid or 3-cyanopyridine. no animal-derived sources used in cosmetic-grade niacinamide.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low; concentrations above 10% may cause temporary flushing in sensitive individuals

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: At concentrations >10%, some users experience niacin flush (transient redness/tingling). generally very well-tolerated.

Safe for Sensitive Skin: Yes – one of the best-tolerated actives for sensitive skin

SAFETY & COMPATIBILITY

Safety Profile: Extensively studied and considered very safe. ewg hazard score: 1. no significant systemic toxicity concerns at topical concentrations.

Works Well With: Retinol,peptides,ahas/bhas,hyaluronic acid,ceramides,zinc,vitamin c,spf

Avoid Combining With: High concentrations of vitamin c (ascorbic acid) may theoretically convert to niacin – use at different times if using pure l-ascorbic acid above 15%

SCIENTIFIC NOTE

Niacinamide is a precursor to nad+ and nadp+, coenzymes vital to cellular energy metabolism. its benefits for dna repair and mitochondrial function make it a key ingredient in anti-aging strategies.

Last Verified: Cosing database,cir safety assessment,ewg skin deep,pubmed clinical studies

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Helps oil and water blend in creams and lotions while conditioning skin.

Why It's Used: Polyglyceryl-4 head provides hydrophilicity (hlb ~7–9); capric acid (c10) tail provides oil-phase affinity; natural-origin compatible.

How It Works: Polyglycerol-4 backbone with capric acid (c10) ester tail; hlb ~7–9; polyglyceryl esters are widely used natural-origin emulsifiers suitable for organic cosmetic certification.

Typically Found In: O/w emulsions,natural cosmetics,organic formulations,skin conditioning products

TECHNICAL DETAILS

Primary Category: Functional ingredient – emulsifier

Secondary Functions: Skin conditioning,surfactant,natural origin

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5%–5%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Polyglycerin from vegetable glycerol polymerization; capric acid (c10) acid from plant sources; naturally derived.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 1/5 – low

Sensitivity Concerns: Very mild; suitable for sensitive skin. natural-origin ingredient.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Excellent safety profile. ewg score: 1.

Works Well With: Natural oils,plant butters,other natural emulsifiers,humectants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Pg-4 caprate; c10 capric chain; balanced emulsification hlb ~7-9; non-greasy.

Last Verified: Cosing database,inci dictionary,supplier technical data

Primary Sources: 2026-03-27

DESCRIPTION

What It Does: Preserves acidic formulations against yeast and mold contamination.

Why It's Used: Natural-derived (from benzoic acid found in cranberries, cinnamon) preservative for acidic ph formulations where it provides excellent antimicrobial activity.

How It Works: Undissociated benzoic acid (active form, pka 4.2) penetrates microbial cell membranes and disrupts electron transport chain and ph homeostasis. at ph>5, mostly ionized (sodium salt) and inactive – requires acidic formulation ph for efficacy.

Typically Found In: Acidic serums,toners,low-ph formulations

TECHNICAL DETAILS

Primary Category: Functional ingredient – benzoate preservative

Secondary Functions: Skin conditioning

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.1%–0.5%

SOURCING & ETHICS

Vegan Status: Yes – from plant sources (cranberry, cinnamon) or synthetic

Halal Status: Yes

Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Well-tolerated by most skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Eu max 0.5%. gras food additive. ewg score: 3 (benzene formation concern with vitamin c at >80°c – normal use temperatures do not form benzene).

Works Well With: Standard skincare actives

Avoid Combining With: No known significant incompatibilities

SCIENTIFIC NOTE

Sodium benzoate's strict ph dependency (90% inactive at ph>5.5) makes its preservative activity dramatically sensitive to formulation ph. a serum formulated at ph 4.0 is fully preserved by benzoate; the same formula adjusted to ph 5.5 has <10% of the preservative activity. this ph dependency must be considered in any benzoate-preserved formulation.

Last Verified: Cosing database,siegert & frieling benzoate review,cir safety assessment

Primary Sources: 2026-03-12

DESCRIPTION

What It Does: Provides the most effective natural nmf humectant as the largest component of the skin's natural moisturising factor.

Why It's Used: The primary nmf humectant — sodium pca is the dominant single component of natural moisturising factor, providing the most effective humectant hydration of any nmf component.

How It Works: Pyrrolidone carboxylic acid (pca) forms from glutamine at the skin surface by enzymatic cyclisation during cornification. sodium salt provides strong hygroscopic water binding from both ionic and pyrrolidone ring interactions. 12% of total nmf by dry weight. declines with age and in dry skin conditions.

Typically Found In: Premium moisturisers,nmf-based products,anti-aging hydration

TECHNICAL DETAILS

Primary Category: Functional ingredient – humectant

Secondary Functions: Tewl reduction,skin plumping

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5%–5%

SOURCING & ETHICS

Vegan Status: Yes – synthetic or from glutamine fermentation

Halal Status: Yes

Source Notes: Synthetic or naturally derived. excellent aqueous solubility.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Non-irritating; suitable for all skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Excellent safety profile. ewg score: 1.

Works Well With: Ceramides,emollients,occlusives,glycerin,hyaluronic acid

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Sodium pca's dominance in nmf (12% by dry weight vs next largest ha contribution of ~0.1%) makes it quantitatively the most important single nmf humectant. its decline in aged and dry skin (measurable by stratum corneum tape-strip amino acid analysis) provides both a biomarker of skin hydration state and a therapeutic target — replenishing what declining nmf production fails to provide.

Last Verified: Cosing database,rawlings & matts nmf review,cir safety assessment

Primary Sources: 2026-03-12