Ingredient Dictionary — X

6 cosmetic ingredients from Xanthan Gum to Xylooligosaccharides. Every entry carries the INCI name, CAS number where one is assigned, solubility, typical use level, pH range, the phase to add it in, and the regulatory position — then links straight to the material.

Xanthan Gum · Xanthan Gum – Clear Grade · Xing Ren Seed Extract · Xylitol · Xylitylglucoside · Xylooligosaccharides

Xanthan Gum

CAS 11138-66-2

FAMILY
Thickener / suspending agent
ORIGIN
Global — Global
SUPPLY FORM
Powder / predispersion
SOLUBILITY
Water Dispersible — Water-dispersible rather than truly soluble. Sprinkle into vigorously stirred water or pre-wet in glycerin to avoid lumping.
TYPICAL USE LEVEL
0.1–1%
pH RANGE
any
ADD AT
Water phase, disperse in glycerin first
FUNCTIONS
Viscosity; suspension; sensory
USED IN
Skin, hair, color cosmetics
STORAGE
Store in the original sealed container in a cool, dry place at 15–25 °C, away from direct sunlight and moisture. Re-seal immediately after weighing; many powders are hygroscopic.
PACK SIZES
50 g to 5 Kg
REGULATORY
Standard cosmetic review

Also inThickeners & Rheology Modifiers · Suspending & Viscosity Agents · Powders

Related materialsSilica · Carbomer · Bentonite · Hectorite

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Xanthan Gum – Clear Grade

INCI Xanthan Gum (Clarified) · CAS 11138-66-2

FAMILY
Ferment polysaccharide
ORIGIN
Global — Xanthomonas fermentation
SUPPLY FORM
Powder
SOLUBILITY
Water Soluble — Water-soluble. Disperse into the water phase with stirring; avoid prolonged high heat where the material is heat-sensitive.
TYPICAL USE LEVEL
0.1–1% for thickening and film forming; 0.5–3% where used as a hydrating active
pH RANGE
4.0–8.0
ADD AT
Water phase, hydrate slowly with good agitation
FUNCTIONS
Thickening; suspension
USED IN
Clear gels, serums, essences
STORAGE
Cold-chain material. Store refrigerated at 2–8 °C, protect from light and return to refrigeration immediately after use. Do not freeze unless the technical data sheet says otherwise.
PACK SIZES
50 g to 5 Kg
REGULATORY
Standard cosmetic review

Also inPolysaccharides · Ferments & Postbiotics · Suspending & Viscosity Agents · Water-Soluble Actives

Related materialsGellan Gum · Pullulan Rheology Grade

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Xing Ren Seed Extract

INCI Prunus Armeniaca Seed Extract · CAS not assigned

FAMILY
Botanical extract
ORIGIN
China / TCM — Prunus Armeniaca seed
SUPPLY FORM
Powder / liquid extract; solvent system supplier-dependent
SOLUBILITY
Grade Dependent — Solubility is grade-dependent. Confirm the exact carrier system and dilution route on the supplier technical data sheet before formulating.
TYPICAL USE LEVEL
0.5–5% for liquid/glycolic extracts; 0.1–1% for dry powder extracts
pH RANGE
4.0–7.0
ADD AT
Water phase, cool-down
FUNCTIONS
Lipid / traditional botanical
USED IN
Skin and/or hair care
STORAGE
Store in a tightly closed container at 15–25 °C, away from direct sunlight. Protect from freezing and from prolonged heat.
PACK SIZES
50 g to 5 Kg
REGULATORY
Exact INCI, plant part, solvent and allergen profile verification

Also inBotanical Extracts · Traditional Chinese Ingredients · Powders

Related materialsIvy Extract · Bean Extract · Peach Extract · Ruscus Extract

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Xylitol

CAS 87-99-0

FAMILY
Polyol
ORIGIN
Global — Synthetic / nature-identical / botanical / biotech
SUPPLY FORM
Powder / liquid depending grade
SOLUBILITY
Water Soluble — Water-soluble. Disperse into the water phase with stirring; avoid prolonged high heat where the material is heat-sensitive.
TYPICAL USE LEVEL
2–10%
pH RANGE
any
ADD AT
Water phase
FUNCTIONS
Humectancy; microbiome-supportive potential
USED IN
Skin and scalp care
STORAGE
Store in a tightly closed container at 15–25 °C, away from direct sunlight. Protect from freezing and from prolonged heat.
PACK SIZES
50 g to 5 Kg
REGULATORY
Standard cosmetic review

Also inHumectants · Water-Soluble Actives

Related materialsButylene Glycol · Hexylene Glycol · Pentylene Glycol · Propylene Glycol

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Xylitylglucoside

CAS not assigned

FAMILY
Sugar derivative
ORIGIN
Global — Synthetic / nature-identical / botanical / biotech
SUPPLY FORM
Powder / liquid depending grade
SOLUBILITY
Water Soluble — Water-soluble. Disperse into the water phase with stirring; avoid prolonged high heat where the material is heat-sensitive.
TYPICAL USE LEVEL
No single published figure applies to every grade of this material. As a working rule, start water-phase actives at 0.5–2%, oil-phase actives at 1–5%, standardised or potent isolates at 0.05–0.5%, and supplier-diluted solutions at the percentage the technical data sheet specifies. Always confirm the exact level against the supplier TDS, your stability and compatibility testing, and the safety assessment for your finished product.
pH RANGE
formulation-dependent
ADD AT
As per the supplier technical data sheet
FUNCTIONS
Humectancy
USED IN
Moisturizers
STORAGE
Store in a tightly closed container at 15–25 °C, away from direct sunlight. Protect from freezing and from prolonged heat.
PACK SIZES
50 g to 5 Kg
REGULATORY
Standard cosmetic review

Also inHumectants · Water-Soluble Actives

Related materialsPCA · Levan · Fucose · Serine

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Xylooligosaccharides

CAS not assigned

FAMILY
Prebiotic
ORIGIN
Global — Fermentation / carbohydrate
SUPPLY FORM
Powder / solution
SOLUBILITY
Water Soluble — Water-soluble. Disperse into the water phase with stirring; avoid prolonged high heat where the material is heat-sensitive.
TYPICAL USE LEVEL
0.5–5%
pH RANGE
4.0–7.0
ADD AT
Water phase
FUNCTIONS
Microbiome support / postbiotic / prebiotic positioning
USED IN
Skin, scalp, deodorant, sensitive-skin care
STORAGE
Store in the original sealed container in a cool, dry place at 15–25 °C, away from direct sunlight and moisture. Re-seal immediately after weighing; many powders are hygroscopic.
PACK SIZES
50 g to 5 Kg
REGULATORY
Microbiome claim substantiation and exact composition review

Also inMicrobiome & Prebiotics · Sensitive Skin · Water-Soluble Actives

Related materialsInulin · Fructooligosaccharides · Galactooligosaccharides · Mannan Oligosaccharides

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How to read these entries. Use levels and pH ranges are typical formulation starting points for a cosmetic raw material, not approvals. A published INCI name does not by itself authorise use: confirm permitted status, maximum concentration, restrictions by product type, labelling and claim rules in every market you sell into, and give every finished product its own safety assessment. Entries marked with a regulatory flag carry a binding limit somewhere — the product page states which framework and what the limit is.