Hair Science ✦
Trusted knowledge for healthier hair.
Evidence-aware guides informed by dermatology research, cosmetic science and professional hair-care knowledge — so you can make more informed choices for your hair.
Explore Hair Science topics
Ingredients
What an ingredient list can tell you, what it can't, and how common ingredient families actually behave — without good-versus-bad lists.
How to Read an Ingredient List
Ingredient lists are a genuinely useful window into a formula — and they are not the recipe.
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Oils for Your Hair Type
A practical starting-point guide that keeps strand thickness and porosity as two separate questions, because they are.
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Silicones: Good, Bad, or Neither?
Silicones are a broad family of ingredients used for slip and smoothness. Whether they suit you depends on formula, routine and results.
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Sulfates & Cleansing
Cleansing is a spectrum of surfactant strength. The label on the front tells you less than the system inside.
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Proteins & Hair
Protein ingredients can genuinely improve how a damaged fibre behaves — temporarily, and on the surface.
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Humectants
Humectants attract and hold water. What that means for you depends on the whole formula and how you use it.
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Oils & Butters
A reference for common oils and butters, keeping cosmetic conditioning strictly separate from growth claims.
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Clarifying & Buildup
Buildup is an accumulation, not an ingredient. It's the balance between what you deposit and what you remove.
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Hair Science teaches the principles. Hairavie applies them to your hair.
Evidence-aware
Based on credible research and professional knowledge.
Credible sources
See the evidence behind important claims.
Always transparent
We show what's known, what's uncertain and where to learn more.
How Hairavie handles evidence
Your pattern isn't your whole hair profile
Pattern, porosity, strand thickness, density, scalp behaviour, chemical history and climate are separate readings — and Hairavie is explicit about which actually influence a Hair Match.
Ingredients aren't good or bad in isolation
A silicone can mean slip, shine and less friction. Whether it suits you depends on the formula and your routine. Hairavie analyses formulas, never fear lists.
Missing data lowers confidence, never invents certainty
Ingredient lists don't reveal concentrations. When formula data is incomplete, Hairavie says so instead of pretending to be sure.
Hairavie provides cosmetic hair-care education only. It does not diagnose or treat medical or scalp conditions. If symptoms persist or you're concerned about hair loss or scalp health, consult a qualified healthcare professional.