[{"data":1,"prerenderedAt":338},["ShallowReactive",2],{"ingredient-cosmetic-dyes":3},{"id":4,"title":5,"body":6,"category":285,"commonProducts":286,"description":291,"extension":292,"icon":293,"inciName":294,"irritantReason":295,"isCommonIrritant":296,"keyFacts":297,"localNames":306,"meta":307,"navigation":296,"path":308,"relatedArticles":309,"seo":316,"severity":317,"slug":318,"stem":319,"subtitle":320,"symptoms":321,"synonyms":327,"__hash__":337},"ingredients/learn/ingredients/cosmetic-dyes.md","Cosmetic Dyes",{"type":7,"value":8,"toc":275},"minimark",[9,14,21,26,48,53,65,72,76,79,85,91,97,100,104,136,140,147,179,202,212,216,219,234,245,249],[10,11,13],"h2",{"id":12},"what-are-cosmetic-dyes","What are Cosmetic Dyes?",[15,16,17,20],"p",{},[18,19,5],"strong",{}," is an umbrella category covering the synthetic colorants used across cosmetics, personal care, and pharmaceutical products. They are classified into several regulatory systems:",[15,22,23],{},[18,24,25],{},"In the US (FDA):",[27,28,29,36,42],"ul",{},[30,31,32,35],"li",{},[18,33,34],{},"FD&C dyes",": Certified by the FDA for use in Food, Drugs, and Cosmetics — the safest regulatory class (e.g., FD&C Red 40, FD&C Blue 1, FD&C Yellow 5)",[30,37,38,41],{},[18,39,40],{},"D&C dyes",": Approved for use in Drugs and Cosmetics but not food (e.g., D&C Red 33, D&C Orange 4)",[30,43,44,47],{},[18,45,46],{},"Ext. D&C dyes",": Only approved for external cosmetics (not ingested products)",[15,49,50],{},[18,51,52],{},"In the EU and India (INCI system):",[27,54,55,62],{},[30,56,57,58,61],{},"Dyes are listed by their ",[18,59,60],{},"CI (Colour Index) number"," — a universal identification system",[30,63,64],{},"Example: CI 16035 = FD&C Red 40; CI 77891 = Titanium Dioxide (a pigment, not technically a \"dye\")",[15,66,67,68,71],{},"Many cosmetic dyes belong to the ",[18,69,70],{},"azo dye"," chemical class — characterized by nitrogen-nitrogen double bonds (N=N) that can be metabolically reduced to release aromatic amines, some of which are carcinogenic or allergenic. Para-phenylenediamine (PPD, the hair dye allergen) is itself an aromatic amine that can be produced by reduction of certain azo dyes.",[10,73,75],{"id":74},"why-do-cosmetic-dyes-cause-reactions","Why do Cosmetic Dyes cause reactions?",[15,77,78],{},"Cosmetic dyes cause reactions through several mechanisms:",[15,80,81,84],{},[18,82,83],{},"Allergic contact dermatitis",": Some dyes are direct sensitizers — they form hapten-protein complexes in skin and trigger Type IV delayed hypersensitivity. Azo dyes are particularly prone to this.",[15,86,87,90],{},[18,88,89],{},"Irritant contact dermatitis",": Concentrated dye pigments can be direct irritants on sensitive or eczema-compromised skin, especially around the eyes and lips where skin is thinnest.",[15,92,93,96],{},[18,94,95],{},"Phototoxicity",": Some dyes sensitize skin to UV radiation, causing phototoxic reactions on sun-exposed colored areas.",[15,98,99],{},"The AAD recommends dye avoidance for eczema-prone skin based on the overall risk-benefit assessment: dyes add cosmetic color but no therapeutic benefit, while adding sensitization and irritation risk — making them purely an unnecessary burden on sensitive skin.",[10,101,103],{"id":102},"where-are-cosmetic-dyes-found-in-products","Where are Cosmetic Dyes found in products?",[27,105,106,112,118,124,130],{},[30,107,108,111],{},[18,109,110],{},"Makeup",": Foundation, blush, eyeshadow, lipstick, mascara — essentially all pigmented makeup products",[30,113,114,117],{},[18,115,116],{},"Colored shampoos and conditioners",": Some hair products with visible color",[30,119,120,123],{},[18,121,122],{},"Tinted skincare",": Color-correcting moisturizers, tinted serums, tinted sunscreen",[30,125,126,129],{},[18,127,128],{},"Toothpaste",": Many toothpastes use dyes for color",[30,131,132,135],{},[18,133,134],{},"Soap",": Colored soap bars",[10,137,139],{"id":138},"how-to-spot-cosmetic-dyes-on-labels","How to spot Cosmetic Dyes on labels",[15,141,142,143,146],{},"On Indian and EU labels (INCI format), dyes appear as ",[18,144,145],{},"CI numbers",":",[27,148,149,155,161,167,173],{},[30,150,151,154],{},[18,152,153],{},"CI 16035"," — FD&C Red 40 (Allura Red)",[30,156,157,160],{},[18,158,159],{},"CI 15985"," — FD&C Yellow 6 (Sunset Yellow)",[30,162,163,166],{},[18,164,165],{},"CI 19140"," — FD&C Yellow 5 (Tartrazine)",[30,168,169,172],{},[18,170,171],{},"CI 42090"," — FD&C Blue 1 (Brilliant Blue)",[30,174,175,178],{},[18,176,177],{},"CI 17200"," — D&C Red 33",[15,180,181,182,193,194,201],{},"On US labels, dyes may appear as ",[18,183,184,185,189,190],{},"FD&C ",[186,187,188],"span",{},"color"," ",[186,191,192],{},"number"," or ",[18,195,196,197,189,199],{},"D&C ",[186,198,188],{},[186,200,192],{},".",[15,203,204,205,193,208,211],{},"For eczema-prone skin, look for products specifically labeled ",[18,206,207],{},"\"dye-free\"",[18,209,210],{},"\"color-free\""," — these will not list any CI number dyes.",[10,213,215],{"id":214},"in-indian-products","In Indian products 🇮🇳",[15,217,218],{},"Synthetic dyes are pervasive in Indian cosmetics. Mass-market Indian products — lipstick, foundation, blush, eyeshadow — are colored with a combination of organic dyes and inorganic pigments. Affordable Indian makeup brands (Lakme, Elle 18, Colorbar, Nykaa Cosmetics) all use synthetic colorants extensively.",[15,220,221,222,225,226,229,230,233],{},"Indian INCI labeling regulations require dye declaration by CI number, so they are identifiable on compliant product labels. Dye-free skincare is increasingly available from brands like ",[18,223,224],{},"The Ordinary"," (unfragranced, undyed formulations), ",[18,227,228],{},"Minimalist",", ",[18,231,232],{},"Vanicream"," (imported), and some Plum and Kaya ranges.",[15,235,236,237,240,241,244],{},"For eczema-prone Indian consumers, the practical approach is to avoid dyes in ",[18,238,239],{},"skincare"," (where color serves no purpose) while accepting them in ",[18,242,243],{},"makeup"," where they are functionally necessary — and choosing makeup products specifically formulated for sensitive skin where possible.",[10,246,248],{"id":247},"safer-alternatives","Safer alternatives",[27,250,251,257,263,269],{},[30,252,253,256],{},[18,254,255],{},"Dye-free skincare",": Cetaphil, CeraVe, Vanicream, Eucerin, Minimalist — formulations without added colorants",[30,258,259,262],{},[18,260,261],{},"Mineral makeup",": Formulated primarily with inorganic mineral pigments (iron oxides, titanium dioxide, zinc oxide) rather than azo dyes — generally better tolerated",[30,264,265,268],{},[18,266,267],{},"Tinted mineral sunscreens",": Iron oxide-based tinting in mineral sunscreens avoids organic dye allergy concerns while providing some color correction",[30,270,271,274],{},[18,272,273],{},"Look for \"dye-free\" and \"colorant-free\" labels",": Specifically on skincare products — moisturizer, cleanser, serum, sunscreen",{"title":276,"searchDepth":277,"depth":277,"links":278},"",2,[279,280,281,282,283,284],{"id":12,"depth":277,"text":13},{"id":74,"depth":277,"text":75},{"id":102,"depth":277,"text":103},{"id":138,"depth":277,"text":139},{"id":214,"depth":277,"text":215},{"id":247,"depth":277,"text":248},"dye",[110,287,288,289,290],"Hair dye","Colored skincare","Shampoo (colored)","Lipstick","Synthetic FD&C and D&C colorants used across cosmetics and skincare. The AAD recommends avoiding dyes in skincare for eczema-prone skin, as synthetic colorants can trigger eczema flares and allergic reactions.","md","🎨","Various",null,true,[298,301,304],{"label":299,"value":300},"AAD recommendation","The American Academy of Dermatology lists dyes as a top irritant to avoid for eczema-prone skin — they offer no skin benefit and add sensitization risk",{"label":302,"value":303},"FD&C vs D&C","FD&C dyes are approved for food, drugs, AND cosmetics; D&C dyes are approved only for drugs and cosmetics (not food). Both classes appear on cosmetic labels",{"label":145,"value":305},"European and Indian INCI labels list dyes by their CI (Colour Index) numbers — e.g., CI 16035 (FD&C Red 40), CI 15985 (FD&C Yellow 6)",[],{},"/learn/ingredients/cosmetic-dyes",[310,313],{"slug":311,"title":312},"/learn/reading-cosmetic-labels","How to Read Cosmetic Labels",{"slug":314,"title":315},"/learn/patch-test-shopping-guide","Patch Test Shopping Guide",{"title":5,"description":291},"low","cosmetic-dyes","learn/ingredients/cosmetic-dyes","Synthetic colorants in skincare and makeup — AAD recommends avoiding for eczema-prone skin",[322,323,324,325,326],"Allergic contact dermatitis from colored cosmetics","Eyelid dermatitis from colored eye cosmetics","Lip dermatitis (cheilitis) from colored lipstick and gloss","Scalp irritation from colored shampoo and hair products","Eczema flares from colored skincare products",[328,329,330,331,332,333,334,335,336],"Colorant","FD&C Dye","D&C Dye","CI Colorant","Artificial Color","Synthetic Dye","FD&C Red","FD&C Blue","FD&C Yellow","BLX0iu4FF4ZC6sg99DYUrgLOu3vABPMM9E7OJl3CxxU",1778416676909]