The Holy Guide

Haircare, explained properly.

A growing library of articles on ingredients, formulation, and what actually matters when you pick up a bottle. 

Written for curious people, not chemists.

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Hair

Is Sodium Laureth Sulfate Bad for Your Hair? The Truth About This Common Cleanser

Sodium laureth sulfate is a widely studied surfactant that is considered safe for most people at the concentrations used in rinse-off products.

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SHAMPOO

Methylisothiazolinone in Shampoo: What the Science Says and Why We Left It Out

Methylisothiazolinone (MI) is a preservative used in rinse-off and leave-on cosmetics to prevent microbial growth.

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CONDITIONER

Is Behentrimonium Chloride Safe in Conditioner? The Truth About This Key Conditioning Ingredient

Behentrimonium Chloride is derived from rapeseed oil, making it a plant-based ingredient rather than a purely syntheticx one.

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INGREDIENT BREAKDOWN

Nigella Sativa Seed Oil Hair Benefits: What It Is and What It Actually Does

Nigella Sativa Seed Oil can help support scalp comfort, reduce oxidative stress on the hair shaft, and deliver meaningful conditioning to dry or damaged hair.

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