Type 4B hair
Z-pattern coils with sharp angles rather than soft S-curves
Shrinkage
65-75%
Strand diameter
Fine to medium
Porosity tendency
High
Category
Coily
4B
Photo sourcing: Phase 2
What 4B hair looks like
Type 4B has a Z-shaped or sharp-angled coil pattern rather than the S-curve of 4A. Individual strands zigzag rather than spiraling. This structural difference makes 4B more fragile at the bends - the stress points in the Z-pattern are prone to breakage if handled roughly. Shrinkage runs 65-75%. Because the pattern is less obviously 'curly' to outside eyes, 4B has historically been underrepresented in mainstream hair editorial. It is a beautiful, complex texture that requires significant moisture and gentle manipulation.
4B hair is one of the most misunderstood and underrepresented types in mainstream hair editorial. The Z-pattern coil structure is genuinely different from 4A: where 4A forms S-curves, 4B forms angles - each strand bends in sharp zigzags rather than smooth spirals. This structural difference has real implications for care. Every angle in the Z-pattern is a stress point where the strand is slightly weaker. This is why protective styles, gentle manipulation, and consistent moisture are more than aesthetic choices for 4B - they directly affect breakage and length retention. The high shrinkage of 65-75% means 4B hair with genuine shoulder-length stretched can appear as an inch-long Afro in its natural state. This shrinkage, combined with the less obviously 'curly' appearance, has historically contributed to 4B being underrepresented or poorly served by product marketing. Many 4B types have found their way to care by learning from 4C-focused content rather than finding specific 4B guidance.
Noted examples
Whitney White (Naptural85) has documented what many categorise as 4B/4C hair in meticulous detail over her YouTube career and is one of the most-referenced sources in the natural hair community for Type 4 care. Lupita Nyong'o has spoken about her 4B type in interviews and has been a visible advocate for Type 4 representation in beauty marketing.
4B vs neighbouring types
The defining difference between 4A and 4B is the shape of the coil pattern. 4A forms S-curves; 4B forms Z-patterns or sharp angles. Look at a single strand: 4A bends in soft curves; 4B bends in sharper angles with less circular motion. 4B also has more shrinkage (65-75% versus 4A's 50-65%) and the curl definition when dry is less obvious in 4B - the pattern tends to look more like an Afro texture than a defined coil in its natural state.
Read the 4A full guide4B and 4C are the most difficult boundary to identify - many people who type themselves as 4C are actually 4B, and vice versa, because both types have minimal visible pattern when dry. The main difference is shrinkage (4C shrinks 75%+ versus 4B's 65-75%) and the visibility of any pattern at all. 4B typically retains slightly more visible pattern than 4C, especially in smaller sections. Both types require similar care approaches; the distinction matters most for styling expectations.
Read the 4C full guideThe 4B care routine
4B hair needs maximum moisture and minimum manipulation. The LOC or LCO method every wash day is the foundation: liquid (water or leave-in), oil (castor oil, jojoba, or coconut), cream (shea butter-based product). Apply all products to soaking wet hair in sections. Wash every 5-7 days. Deep condition every single wash day - weekly deep conditioning is non-negotiable for 4B. Protective styles (twists, braids, box braids, cornrows, updos) are the single most effective tool for length retention in 4B because they minimise daily friction. Avoid combing or brushing dry 4B hair - always detangle in the shower with conditioner and wide-tooth comb or fingers only. Heat styling is not recommended for regular use; restrict direct heat to occasional occasions with high-quality heat protectant and a low temperature setting.
Cleansing
Co-wash weekly; sulphate-free shampoo every 2-4 weeks; clarifying shampoo monthly to remove build-up.
Conditioning
Deep condition every wash day. Leave-in conditioner every time. Use the LOC or LCO method (Liquid, Oil, Cream) to layer moisture.
Styling
Stretch styles (twist-outs, braid-outs) help reveal the underlying pattern. Avoid manipulating dry hair. Apply products to soaking wet hair.
Night routine
Protect your hair at night with a satin or silk pillowcase or bonnet. Loose styles reduce friction and breakage while sleeping.
Common mistakes to avoid
Manipulating dry hair - 4B hair must be wet or well-moisturised before any detangling or styling
Using protein-heavy treatments every wash - 4B needs more moisture than protein in most cases; too much protein creates brittleness
Washing in one section instead of multiple sections - this causes 4B to tangle irreversibly during the wash process
Expecting the same definition as 4A - 4B's Z-pattern naturally shows less curl definition; that is not damage, that is your texture
Neglecting the scalp - 4B hair's density can mask scalp dryness or build-up; include scalp care in every routine
Products that work for Type 4B
Curated picks by category. Affiliate links included - we earn a commission at no cost to you. See our full disclaimer in the footer.
Shampoo
Raw Shea Extra-Moisture Detangling Shampoo
SheaMoisture - $13
Shea butter base adds moisture during cleansing - essential for 4B which has high moisture need and can't afford stripping washes
Jamaican Black Castor Oil Strengthen & Restore Shampoo
SheaMoisture - $13
Strengthening castor oil addresses the fragility at 4B's Z-pattern stress points; sulphate-free and moisturising
Bread & Butter Scalp Shampoo
Bread Beauty Supply - $22
4B premium pick - Bread is a Black-founded brand formulated specifically for Type 4 textures; this scalp shampoo cleanse without over-drying
Conditioner
Honey Butter Conditioner
Pattern Beauty - $24
Rich, slip-heavy conditioner designed for Type 3-4; the honey and butter base provides the slip needed to detangle 4B's Z-pattern safely
Curl & Coil Moisturizing Conditioner
Mielle Organics - $12
Excellent moisture delivery for 4B without leaving heavy residue; makes finger detangling significantly easier
Leave-in / Cream
Curl Enhancing Smoothie
SheaMoisture - $14
The industry standard for Type 4 leave-in styling. Shea butter, coconut oil, and neem provide the heavy moisture 4B needs on every wash day
Hair Mask and Leave-in
Bread Beauty Supply - $24
Formulated for Type 4 specifically by a Black-founded brand; can be used as a leave-in for 4B types with very high moisture needs
Defining Butter Cream
Cantu - $9
Affordable shea butter cream that provides definition in 4B twist-outs and braid-outs; genuinely good for the price
Oil / Sealer
Jamaican Black Castor Oil
Tropic Isle Living - $18
Essential sealing oil for Type 4 hair; used at the end of the LOC or LCO routine to lock in moisture
Growth Oil
Mielle Organics - $10
Rosemary and mint growth oil that also doubles as a sealing oil for 4B; scalp stimulation supports the retention goals critical for 4B length
Deep Conditioner
Jelly Conditioning Masque
Pattern Beauty - $32
Designed explicitly for Type 4 patterns; this is a premium choice for monthly deep treatment of 4B hair
Manuka Honey & Yoghurt Masque
SheaMoisture - $14
Protein and moisture in balance; ideal for high-porosity 4B types that need both hydration and strand-strengthening simultaneously
Strengthen & Restore Treatment Masque
Cantu - $9
Budget deep conditioner with a protein focus; important quarterly treatment for 4B where the Z-pattern creates fragility at every angle
Affiliate disclosure: This page contains affiliate links. If you purchase via our links, we earn a small commission at no extra cost to you. We only recommend products we genuinely believe suit this hair type.
Next steps
Retake the quiz
Confirm your type or explore borderline results
Test your porosity
Porosity affects product choice more than type alone
Type 4A
Tight, defined S-coils about the diameter of a crochet needle
Type 4C
Tightly packed Z-coils with little visible pattern definition when dry
Self-test guide
5 steps to type your hair without the quiz