CompoAtlas

HALF & HALF

Cosmetic whose composition was read from the brand website (website recognised under its name)

Brand
Prequel
UPC-A
810129110500
Record created on
27 October 2026

List observed on on prequelskin.com.

Has the product changed? Photograph the packaging.

Points to note

No ingredient in the recorded list is prohibited in all cases in European Union cosmetics.

Who it concerns

For each group, the ingredients of the list that an official classification or rule mentions. Open an ingredient's page to read what the text says. A group with no name does not mean the ingredients were judged to have no effect for it.

Prohibition or serious classificationThe text prohibits the substance for this use, or ranks it among the most serious hazards (known or presumed carcinogenic, mutagenic or reprotoxic, identified endocrine disruptor).Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

No official text covers the recognised ingredients for: pregnancy and breastfeeding, babies and children.

For a question about your own situation (pregnancy, child, allergy), show this list to your doctor, midwife or pharmacist: we cannot say whether this product suits you.

Recorded composition

Ingredient list copied word for word from the official brand website. Added to CompoAtlas on 27 October 2026.

List observed on on prequelskin.com.

When the list changes, the old one remains available below with its date. The same barcode may cover several successive formulas.

51 recognised ingredients out of 51.

Prohibited 0Annex II of Regulation (EC) No 1223/2009: a cosmetic product may not contain this substance. Thick underline.Allowed with restrictions 1Annex III: allowed up to a maximum concentration, in certain product types, sometimes with a warning to print. A restriction does not mean that the product is non-compliant: the actual content is not on the label. Double underline.Allowed on a list, under conditions 2Annexes IV, V and VI: only the colorants, preservatives and UV filters on these lists are allowed, under their conditions. Dashed underline.No specific rule 48In no annex: the ingredient remains subject to the general product safety obligation. This is not an opinion on its safety.Not recognised 0Name absent from the EU glossary (typo, trade name, other language): it is not analysed. Dotted underline.

Hover over or tap a badge for its meaning.

Classified hazard (cancer, DNA, reproduction): Carcinogenic, mutagenic or toxic for reproduction under the CLPEU regulation that classifies chemicals by their hazards (EC No 1272/2008). Regulation, or identified endocrine disruptor. Irritation, allergy and environment: see “Who it concerns”.

Composition of HALF & HALF
RankOn the labelGlossary nameMatchingEuropean Union ruleClassified hazard (cancer, DNA, reproduction)
1Water (Aqua)WATERÉlevée
nom reconnu, la parenthèse est une précision
No specific rule in the Cosmetics Regulationnone
2GlycerinGLYCERINCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
3PropanediolPROPANEDIOLCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
4Isopropyl MyristateISOPROPYL MYRISTATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
5Ethylhexyl OlivateETHYLHEXYL OLIVATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
6SqualaneSQUALANECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
7Hydrolyzed Rice ProteinHYDROLYZED RICE PROTEINCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
8Ceramide NPCERAMIDE NPCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
9Ceramide ASCERAMIDE ASCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
10Ceramide NSCERAMIDE NSCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
11Ceramide EOPCERAMIDE EOPCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
12Ceramide APCERAMIDE APCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
13Hexapeptide-11HEXAPEPTIDE-11Certain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
14Palmitoyl Tripeptide-1PALMITOYL TRIPEPTIDE-1Certain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
15Palmitoyl Tetrapeptide-7PALMITOYL TETRAPEPTIDE-7Certain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
16Polyglyceryl-10 StearatePOLYGLYCERYL-10 STEARATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
17TrioleinTRIOLEINCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
18Ammonium Acryloyldimethyltaurate/VP CopolymerAMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMERCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
19Glyceryl OleateGLYCERYL OLEATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
20UndecaneUNDECANECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
21HydroxyacetophenoneHYDROXYACETOPHENONECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
22Glyceryl DioleateGLYCERYL DIOLEATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
23Caprylyl GlycolCAPRYLYL GLYCOLCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
24Xanthan GumXANTHAN GUMCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
25TridecaneTRIDECANECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
26BetaineBETAINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
27Sodium Stearoyl GlutamateSODIUM STEAROYL GLUTAMATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
28Citric AcidCITRIC ACIDCertain
nom identique à celui du glossaire européen
Entry for a mixture with the same CAS number (Annex V)none
29Sodium PhytateSODIUM PHYTATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
30Sodium PCASODIUM PCACertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
31Sodium HydroxideSODIUM HYDROXIDECertain
nom identique à celui du glossaire européen
Allowed with restrictions (Annex III)
Annex III, entry 15a: products: (a) Nail cuticle solvent (b) Hair straightener (c) pH adjuster for depilatories (d) Other uses as pH adjuster; maximum concentration: (a) 5% (b) 2% (General use) and 4.5% (Professional use)
none
32Sodium LactateSODIUM LACTATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
33PCAPCACertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
34Sodium BenzoateSODIUM BENZOATECertain
nom identique à celui du glossaire européen
Preservative allowed under conditions (Annex V)
Annex V, entry 1: products: a) Rinse-off products, except oral care products b) Oral care products c) Leave-on products; maximum concentration: a) 2.5% (acid) b) 1.7% (acid) c) 0.5% (acid)
none
35SerineSERINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
36AlanineALANINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
37Palmitic AcidPALMITIC ACIDCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
38GlycineGLYCINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
39Hydrogenated LecithinHYDROGENATED LECITHINCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
40Ethylhexyl PalmitateETHYLHEXYL PALMITATECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
41Butylene GlycolBUTYLENE GLYCOLCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
42PhenoxyethanolPHENOXYETHANOLCertain
nom identique à celui du glossaire européen
Preservative allowed under conditions (Annex V)
Annex V, entry 29: maximum concentration: 1.0%
none
43EthylhexylglycerinETHYLHEXYLGLYCERINCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
44Glutamic AcidGLUTAMIC ACIDCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
45Lysine HClLYSINE HClCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
46ThreonineTHREONINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
47ArginineARGININECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
48ProlinePROLINECertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
49TocopherolTOCOPHEROLCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
50CarbomerCARBOMERCertain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone
51Polysorbate 20POLYSORBATE 20Certain
nom identique à celui du glossaire européen
No specific rule in the Cosmetics Regulationnone

This list was recorded from the product page on a given date. Compare it with the packaging of the product you have: brands change their formulas without always changing the barcode.

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