Is PPG-9 safe in cosmetics?
PPG-9 has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
PPG-9
PPG-9 (CAS 25322-69-4 (polypropylene glycol, ~MW 540)) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent; solvent; viscosity decreasing agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 25322-69-4 (polypropylene glycol, ~MW 540) →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent; solvent; viscosity decreasing agent
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Propylene glycol is GRAS (21 CFR 173.340, 175.300); PPG-9 permitted in cosmetics; CIR concluded safe up to 50%
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for PPG-9.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
humectant
{"cas_number": "25322-69-4", "ingredient_class": "humectant/polyol", "molecular_weight_Da": "540", "chemical_type": "synthetic_polymer", "water_binding_mechanism": "hydrogen_bonding/hygroscopic", "water_holding_capacity_g_per_g": "0.3-0.5", "hygroscopicity_at_50_RH": "moderate", "hygroscopicity_at_80_RH": "good", "NMF_component": "no", "NMF_percentage_natural": "0", "TEWL_reduction_pct": "12-20", …
Expert Verdict
Expert safety assessment and concern-level summary for PPG-9.
Frequently Asked Questions
Is PPG-9 allowed in the EU?
PPG-9 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does PPG-9 do in cosmetics?
PPG-9 functions as: Skin conditioning agent; solvent; viscosity decreasing agent. It is classified as a cosmetic ingredient in our database. CAS number: 25322-69-4 (polypropylene glycol, ~MW 540).
Compliance Tools
Check PPG-9 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
3-Hydroxybutyrate/3-Hydroxyhexanoate Copolymer
Excellent
Same category
Film Forming, Viscosity Controlling, ...
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer
Excellent
Same category
Film forming, viscosity controlling, ...
4-PCA Dimethicone/Bis-Vinyldimethicone Crosspolymer
Excellent
Same category
Film forming, hair conditioning, skin...
Acrylates Crosspolymer-3
Excellent
Same category
Bulking agent, chelating agent, emuls...
Acrylates Crosspolymer-4
Excellent
Same category
Emulsion stabilizer, film former, dis...
Acrylates Crosspolymer-6
Excellent
Same category
Film former, viscosity increasing age...
1-Methylhydantoin-2-imide (Creatinine)
Excellent
Similar safety
Skin conditioning (skin brightening/l...
2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent
Similar safety
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent
Similar safety
Fragrance (rich woody, orris/iris roo...
2-Hydroxypropylcarbamato Amodimethicone
Excellent
Similar safety
Hair conditioning; modified aminosili...
2-O-Ethyl Ascorbic Acid
Excellent
Similar safety
Softener and conditioner
3 O Ethyl Ascorbic Acid
Excellent
Similar safety
Antioxidant; tyrosinase inhibitor; me...
PEG-10
Good
Chemical family
Humectant, Solvent
PEG-100
Good
Chemical family
Humectant, Solvent
PEG-115M
Good
Chemical family
Binding, Emulsion Stabilising, Viscos...
Is PPG-9 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for PPG-9 in your formulation.