{
 "slug": "hair-serums",
 "name": "Hair Serums",
 "root": "personal-care",
 "unit": "L",
 "unit_as_designed": "ml",
 "unit_note": "Add the stated volume in ml for every bottle or container in the pack; for multi-packs, multiply the per-container volume by the number of containers. Compare the total ml.",
 "gpc": {
  "brick_code": "10000346",
  "brick": "Hair - Conditioner/Treatment",
  "class": "Hair Care Products",
  "family": "Hair Products",
  "segment": "Beauty/Personal Care/Hygiene"
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  "id": 486,
  "path": "Health & Beauty > Personal Care > Hair Care"
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 "taxonomy": {
  "shopify": {
   "id": "gid://shopify/TaxonomyCategory/hb-3-10-14-3",
   "path": "Health & Beauty > Personal Care > Hair Care > Hair Treatments > Hair Serums",
   "attributes": [
    {
     "name": "Application type",
     "handle": "application-type",
     "values": [
      "Heat-activated",
      "Leave-in",
      "Overnight treatment",
      "Pre-wash",
      "Rinse-out",
      "Other"
     ]
    },
    {
     "name": "Hair color",
     "handle": "hair-color-shade",
     "values": [
      "Auburn",
      "Black",
      "Blonde",
      "Blue",
      "Brown",
      "Dark auburn",
      "Dark blonde",
      "Dark brown",
      "Dark gray",
      "Dark red",
      "Dark taupe",
      "Gray",
      "Green",
      "Light auburn",
      "Light blonde",
      "Light brown",
      "Light gray",
      "Light red",
      "Light taupe",
      "Medium auburn",
      "Medium blonde",
      "Medium brown",
      "Medium gray",
      "Medium red",
      "Medium taupe",
      "Orange",
      "Pink",
      "Purple",
      "Red",
      "Silver"
     ]
    },
    {
     "name": "Conditioner effect",
     "handle": "conditioner-effect",
     "values": [
      "Anti hair loss",
      "Anti-dandruff",
      "Anti-frizz",
      "Cleansing",
      "Color protection",
      "Densifying",
      "Detangling",
      "Moisturizing",
      "Nourishing",
      "Protection",
      "Purifying",
      "Regenerating",
      "Repair",
      "Revitalizing",
      "Shine",
      "Smoothing",
      "Strengthening",
      "Thickening",
      "Volumizing",
      "Other"
     ]
    },
    {
     "name": "Constitutive ingredients",
     "handle": "constitutive-ingredients",
     "values": [
      "Acacia honey",
      "Acerola cherry",
      "Alcohol",
      "Almond oil",
      "Aloe vera",
      "Aluminum sulfate",
      "Apricot oil",
      "Argan oil",
      "Avocado oil",
      "Beeswax",
      "Blueberry seed oil",
      "Calendula",
      "Calendula oil",
      "Castor oil",
      "Catnip oil",
      "CBD",
      "Chamomile",
      "Charcoal",
      "Cherry oil",
      "Citronella oil",
      "Clay",
      "Cocoa butter",
      "Coconut oil",
      "Collagen",
      "Cucumber extract",
      "Essential oil",
      "Eucalyptus",
      "Ferulic acid",
      "Fruit extracts",
      "Glycerin"
     ]
    },
    {
     "name": "Fragrance",
     "handle": "fragrance",
     "values": [
      "Aquatic",
      "Cherry",
      "Cinnamon",
      "Citrus",
      "Eucalyptus",
      "Floral",
      "Fresh",
      "Fresh linen",
      "Fruity",
      "Herbal",
      "Jasmine",
      "Lavender",
      "Ocean breeze",
      "Oriental",
      "Pine",
      "Rose",
      "Sandalwood",
      "Spicy",
      "Strawberry",
      "Tea tree",
      "Unscented",
      "Vanilla",
      "Woody",
      "Other"
     ]
    },
    {
     "name": "Hair care finish",
     "handle": "hair-care-finish",
     "values": [
      "Glossy",
      "Matte",
      "Shiny",
      "Other"
     ]
    },
    {
     "name": "Hair treatment effect",
     "handle": "hair-treatment-effect",
     "values": [
      "Anti-dandruff",
      "Anti-frizz",
      "Anti-hair loss",
      "Color protection",
      "Curl defining",
      "Detangling",
      "Heat protection",
      "Moisturizing",
      "Nourishing",
      "Repair",
      "Scalp soothing",
      "Shine",
      "Smoothing",
      "Strengthening",
      "Thickening",
      "UV protection",
      "Volumizing",
      "Other"
     ]
    },
    {
     "name": "Material",
     "handle": "material",
     "values": [
      "Acrylic",
      "Aluminum",
      "Angora",
      "Bamboo",
      "Biodegradable materials",
      "Brass",
      "Bronze",
      "Canvas",
      "Carbon",
      "Cardboard",
      "Cashmere",
      "Ceramic",
      "Chrome",
      "Clay",
      "Coir",
      "Concrete",
      "Copper",
      "Corduroy",
      "Cork",
      "Cotton",
      "Denim",
      "Fabric",
      "Faux fur",
      "Faux leather",
      "Felt",
      "Fiberglass",
      "Flannel",
      "Fleece",
      "Fur",
      "Glass"
     ]
    },
    {
     "name": "Product certifications & standards",
     "handle": "product-certifications-standards",
     "values": [
      "Alcohol-free",
      "All-natural ingredients",
      "Aluminum-free",
      "ASC",
      "B corporation",
      "Biodegradable",
      "BPA-free",
      "CE certified",
      "Cruelty-free",
      "DBP",
      "Dermatologist tested",
      "Dye-free",
      "Eco-friendly",
      "Ecocert",
      "EWG verified",
      "Fair trade",
      "FDA approved",
      "Free from formaldehyde",
      "Free from toluene",
      "Gluten-free",
      "GMP",
      "GRAS",
      "Halal",
      "Hypoallergenic",
      "Informed choice",
      "ISO",
      "Kosher",
      "Latex-free",
      "Leaping bunny certified",
      "Made safe certified"
     ]
    },
    {
     "name": "Product form",
     "handle": "product-form",
     "values": [
      "Cream",
      "Cream-to-powder",
      "Film",
      "Foam",
      "Foaming lotion",
      "Gel",
      "Kohl",
      "Liquid",
      "Loose powder",
      "Lotion",
      "Milk",
      "Mousse",
      "Oil",
      "Ointment",
      "Pads",
      "Paste",
      "Pencil",
      "Powder",
      "Pressed powder",
      "Roll-on",
      "Serum",
      "Solid",
      "Spray",
      "Stick",
      "Suppository",
      "Tablets",
      "Towelette",
      "Wipes",
      "Other"
     ]
    },
    {
     "name": "Suitable for hair type",
     "handle": "suitable-for-hair-type",
     "values": [
      "All hair types",
      "Bleached",
      "Blonde",
      "Brittle",
      "Brunette",
      "Colored",
      "Combination",
      "Curly",
      "Damaged",
      "Demanding",
      "Dry",
      "Dull",
      "Dyed",
      "Fine",
      "Frizzy",
      "Gray",
      "Highlighted",
      "Lifeless",
      "Loss",
      "Normal",
      "Oily",
      "Sensitive",
      "Split",
      "Straight",
      "Thick",
      "Thin",
      "Treated",
      "Unruly",
      "Weakened",
      "Other"
     ]
    },
    {
     "name": "Target gender",
     "handle": "target-gender",
     "values": [
      "Female",
      "Male",
      "Unisex",
      "Other"
     ]
    }
   ]
  },
  "google": {
   "id": 486,
   "path": "Health & Beauty > Personal Care > Hair Care"
  },
  "gpc": {
   "brick_code": "10000346",
   "brick": "Hair - Conditioner/Treatment",
   "class": "Hair Care Products",
   "family": "Hair Products",
   "segment": "Beauty/Personal Care/Hygiene"
  }
 },
 "fields": [
  {
   "key": "net_volume_ml",
   "label": "Net volume",
   "type": "number",
   "unit": "ml",
   "values": null,
   "why_it_matters": "Determines the quantity used to calculate price per ml."
  },
  {
   "key": "application_type",
   "label": "Application type",
   "type": "enum",
   "unit": null,
   "values": [
    "Heat-activated",
    "Leave-in",
    "Overnight treatment",
    "Pre-wash",
    "Rinse-out",
    "Other"
   ],
   "why_it_matters": "Indicates when and how the serum is used."
  },
  {
   "key": "hair_treatment_effect",
   "label": "Hair treatment effect",
   "type": "enum",
   "unit": null,
   "values": [
    "Anti-dandruff",
    "Anti-frizz",
    "Anti-hair loss",
    "Color protection",
    "Curl defining",
    "Detangling",
    "Heat protection",
    "Moisturizing",
    "Nourishing",
    "Repair",
    "Scalp soothing",
    "Shine"
   ],
   "why_it_matters": "Identifies the benefit the serum is marketed to provide."
  },
  {
   "key": "suitable_for_hair_type",
   "label": "Suitable for hair type",
   "type": "enum",
   "unit": null,
   "values": [
    "All hair types",
    "Bleached",
    "Blonde",
    "Brittle",
    "Brunette",
    "Colored",
    "Combination",
    "Curly",
    "Damaged",
    "Demanding",
    "Dry",
    "Dull"
   ],
   "why_it_matters": "Shows whether the formula is intended for a particular hair type or condition."
  },
  {
   "key": "constitutive_ingredients",
   "label": "Constitutive ingredients",
   "type": "string",
   "unit": null,
   "values": null,
   "why_it_matters": "Highlights named oils, extracts, or active ingredients that can distinguish formulas."
  },
  {
   "key": "product_form",
   "label": "Product form",
   "type": "enum",
   "unit": null,
   "values": [
    "Cream",
    "Cream-to-powder",
    "Film",
    "Foam",
    "Foaming lotion",
    "Gel",
    "Kohl",
    "Liquid",
    "Loose powder",
    "Lotion",
    "Milk",
    "Mousse"
   ],
   "why_it_matters": "Describes the formula's format and application experience."
  },
  {
   "key": "hair_care_finish",
   "label": "Hair care finish",
   "type": "enum",
   "unit": null,
   "values": [
    "Glossy",
    "Matte",
    "Shiny",
    "Other"
   ],
   "why_it_matters": "Indicates the visible finish the serum leaves on hair."
  }
 ],
 "minimum_spec": {
  "description": "For a broadly useful everyday serum, choose a leave-in product that states a common hair benefit such as reducing frizz, moisturizing, nourishing, or adding shine. It should be suitable for the user's hair type.",
  "rules": [
   {
    "key": "application_type",
    "op": "==",
    "value": "Leave-in"
   },
   {
    "key": "hair_treatment_effect",
    "op": "in",
    "value": [
     "Anti-frizz",
     "Moisturizing",
     "Nourishing",
     "Shine"
    ]
   }
  ]
 },
 "premium_dimensions": [
  "hair_treatment_effect",
  "suitable_for_hair_type",
  "constitutive_ingredients",
  "product_form",
  "hair_care_finish",
  "application_type"
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  "name": "TreLuxe TreLuxe ReFlex Curl Styling Serum 8oz",
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    "Hair treatment effect": "Curl defining",
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     "first_party": false,
     "shipping": {
      "text": "Shipping arrives by Tue, Oct 13",
      "price": null
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     "size_text": "8 fl oz",
     "url": "https://www.walmart.com/ip/TreLuxe-ReFlex-Curl-Styling-Serum-8oz/583338073",
     "observed_at": "2026-10-09T12:00:19-04:00",
     "age_minutes_at_build": 18745
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   ],
   "url": "/items/74494.json",
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    "suitable_for_hair_type": null,
    "constitutive_ingredients": "Spanish rosemary",
    "product_form": "Liquid",
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   "shopify_category_id": "gid://shopify/TaxonomyCategory/hb-3-10-14-3",
   "meets_minimum_spec": false,
   "tier": "mid",
   "premium_note": "The serum targets hair fall and includes Spanish rosemary.",
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    "unit_price": 142.8,
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   ],
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   "html": "/items/197590.html",
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    "pct_over_baseline": 16.7,
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      "Spanish rosemary"
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    "pct_over_baseline": 36.1,
    "spec_diffs": {
     "hair_treatment_effect": [
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      "Redensyl, Anagain"
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   "id": 197585,
   "name": "Pilgrim Advanced Hair Growth Serum",
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    "note": "The extra cost buys a multi-active hair-growth formula featuring Redensyl, Anagain, and Capilia."
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