Charels Nessler
Chapter XIV – Dandruff and Oily Scalps
Chapter XIV of The Story of Hair shifts toward a more medical and physiological topic.
Charles Nessler focuses here on:
👉 dandruff and oily scalp conditions
Rather than treating these as diseases, he attempts to explain them as:
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natural processes
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imbalances in scalp function
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and results of gland activity
This chapter is important because it challenges common assumptions about scalp health.
The Role of the Sebaceous Gland
Nessler begins with a biological explanation:
👉 the sebaceous gland produces fat (sebum)
Process:
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gland secretes oil into the follicle
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oil travels along the hair shaft
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it protects and lubricates the hair
if properly balanced → hair remains flexible and healthy
When the System Becomes Unbalanced
Problems arise when:
👉 the gland produces too little or too much oil
Two outcomes:
1. Too little oil
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hair becomes dry
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loses gloss
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becomes brittle
2. Too much oil
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excess fat accumulates
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forced out onto scalp
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creates visible residue
Dandruff as a Natural Process
One of Nessler’s key claims:
👉 dandruff is not necessarily a disease
He explains:
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dandruff = dried scalp material
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formed when oil accumulates and hardens
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appears as flakes
“It is important to recognize that dandruff is a normal scalp condition and not a disease.”
The Role of Scratching
Nessler observes:
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children scratch → flakes loosen → disappear
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adults suppress scratching → buildup remains
👉 Result:
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visible dandruff increases
Difference Between Dry and Oily Conditions
He distinguishes clearly:
Dry dandruff
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manageable
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removable with brushing
Oily scalp
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more problematic
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requires frequent cleansing
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can lead to buildup
👉 Important:
Oily scalp is considered the more serious condition.
Accumulation and Blockage
Nessler explains a key mechanism:
👉 accumulation creates a barrier
Process:
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dandruff forms crust
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blocks oil flow
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prevents normal secretion
Result:
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imbalance increases
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condition worsens
Critique of Chemical Treatments
Nessler is critical of treatments:
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chemical lotions
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sulphur-based products
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aggressive scalp applications
He argues:
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they dissolve fat temporarily
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but disturb natural balance
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may worsen long-term condition
Recommended Treatment Approach
His suggested method is surprisingly simple:
👉 absorption and regulation
Example:
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use absorbent materials (paper pads)
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remove excess oil
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allow glands to normalize
He emphasizes:
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gradual correction
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not aggressive treatment
Important Distinction
Nessler makes a key point:
👉 dandruff ≠ disease
He warns:
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treating it aggressively can cause harm
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many treatments worsen the condition
removing dandruff artificially can damage the scalp
Conclusion of Chapter XIV
Key ideas:
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sebaceous glands regulate scalp health
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dandruff is a natural byproduct
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imbalance causes visible issues
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aggressive treatment is harmful
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gentle regulation is preferred
Modern Scientific Perspective
Modern dermatology provides a different explanation.
✔️ What is correct:
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sebaceous glands play a key role ✔
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oily scalp can cause buildup ✔
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imbalance leads to visible symptoms ✔
❌ What is outdated:
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dandruff is not just a natural process ❌
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microorganisms are ignored ❌
Modern explanation
Dandruff is mainly caused by:
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Malassezia yeast (fungus)
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scalp oil interaction
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inflammation response
Modern treatment
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antifungal shampoos
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medicated treatments
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controlled scalp care
What remains relevant
Nessler’s strongest insight:
👉 over-treatment can worsen scalp conditions
Das ist bis heute absolut gültig.
Final Interpretation
Chapter XIV shows Nessler in a more observational and physiological role.
He moves toward:
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body function
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gland activity
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natural balance
👉 weg von Ideologie → hin zu Körperprozessen
OPTIONAL SECTION
→ Chapter 15
→ Chapter 13
→ Back to Overview
→ The Permanent Wave – Invention, Method and Impact
Below you find the original scanned version of Chapter XIV from The Story of Hair by Charles Nessler.