Hair type is not a fixed, one-dimensional characteristic. Saying your hair is oily or dry often tells only part of the story, because oil balance at the roots, strand thickness, natural texture and past chemical treatments are independent features. Klaris's four-axis approach was designed to reflect this complexity.
Hair Type Is Not One Axis, but Four
When understanding your hair, it helps to observe four independent axes:
- Oil balance (roots): How many days after washing do the roots become oily, and how quickly does volume fall?
- Strand thickness: Is an individual strand fine and flyaway, or thick and distinct?
- Texture: Does your hair naturally lie straight, or does it form waves or curls?
- Treatment status: Has the hair undergone chemical treatment such as colouring, highlighting or permanent styling?
Each Axis: What Does It Tell You?
Oil Balance describes the scalp: it influences washing frequency and which cleansing family is comfortably tolerated. An oily scalp is considered more compatible with light cleansers, and a dry scalp with moisture-retaining, gentle cleansing families. Strand Thickness determines tolerance for weight: fine strands may flatten under heavy products, while thick strands may need more intensive hydration. Texture changes how moisture travels along the strand; hydration and frizz control stand out for curly hair. Treatment Status shapes the repair and colour-protection needs being considered.
The Axes Combine: 16 Hair Identities
Each of the four axes has two ends, combining into 16 possible Hair Identities. The same shampoo or mask therefore has a different context for fine, colour-treated hair and dense, natural hair. Considering all four axes instead of a single hair-type label provides a much more personal framework.
Hair Context Also Fluctuates
Your roots may become oily faster in summer; colouring or heat styling changes your Treatment Status axis over time, while season and humidity affect how you experience your hair's texture. Rather than saying you have determined your hair type once and for all, asking what your hair's current context is may be a more accurate approach.
Three Practical Observations
- Observe for a few days. When the roots become oily after washing, how fine the strands are, their natural curl and the colouring or treatment history can form a simple picture.
- Review after treatment and seasonal changes. Colouring, highlights or heat may change your hair's context, and care can adapt with it. For scalp sensitivity, see the scalp guide.
- Distinguish medical conditions. Noticeable hair loss, persistent dandruff or scalp conditions require medical assessment; an ingredient-reading guide does not replace it.
This article is for information only; it does not provide a medical diagnosis, treatment or a guarantee of safety. If you have sensitivities, are pregnant or have particular circumstances, you are advised to discuss your decisions with your own doctor.