Why Is My Hair Thinning? Causes, Solutions, and How to Restore Density

Hair thinning is one of the most common—and most frustrating—hair concerns. Whether you’re noticing increased shedding, less volume at the roots, or strands that feel finer over time, thinning hair is rarely random. It’s usually the result of several factors working together.

Understanding why hair thins is the first step. Choosing the right routine is what creates visible, confidence-boosting change.

The Main Causes of Hair Thinning

 

1. Genetics & the Hair Growth Cycle

Genetic thinning (androgenetic alopecia) affects both men and women. Over time, the active growth phase of the hair shortens, and follicles begin producing finer, weaker strands. Hair may also shed sooner than it should, reducing overall density.

2. Hormonal Changes

Hormonal shifts—such as postpartum changes, menopause, thyroid imbalance, or elevated stress hormones—can disrupt the hair growth cycle and push more hair into the shedding phase at once. This often makes thinning feel sudden.

3. Stress & Lifestyle Factors

Chronic stress, poor sleep, nutritional deficiencies, illness, and restrictive dieting can all impact hair growth. Even after shedding slows, regrowth may appear finer without targeted support.

4. Breakage That Mimics Thinning

Heat styling, chemical services, tight styles, and aggressive brushing weaken the hair shaft. When hair breaks along the mid-lengths and ends, it creates the appearance of thinning—even when follicles are healthy.

5. Scalp Imbalance

An unhealthy scalp—whether congested, inflamed, or overly dry—can limit optimal hair growth and affect the quality of new hair coming in.

How to Combat Hair Thinning (What Actually Works)

 

The most effective approach focuses on three key goals:

1. Strengthening fragile hair fibers

2. Visibly increasing body and fullness

3. Reducing breakage so hair stays on the head longer

This is where a targeted routine makes all the difference.

 

The Semi di Lino Density Routine: How It Fits In

The Semi di Lino Density line by Alfaparf Milano is designed to support thinning hair by improving both hair strength and visible density, without weighing hair down.

Step 1: Density Thickening Low Shampoo

A gentle, lightweight cleanser that purifies the scalp while preparing fine or thinning hair for treatment.

Why it matters:

Over-cleansing or harsh shampoos can increase breakage and scalp irritation, making thinning more noticeable.

Step 2: Density Thickening Conditioner

This conditioner helps strengthen and plump the hair fiber, improving softness while making hair feel more substantial.

Why it matters:

Skipping conditioner often leads to more breakage—not more volume—especially on thinning hair.

Step 3: Density Thickening Cream

A key leave-in treatment that visibly increases thickness and body while supporting hair strength.

Why it matters:

This step enhances fullness at the styling stage and helps protect hair from mechanical stress caused by brushing and styling.

What Results to Expect

 

With consistent use, hair looks and feels:

1. Fuller and more voluminous

2. Stronger and more resilient

3. Less prone to breakage

4. Easier to style with better hold and body

While genetic and hormonal causes take time to address, improving hair strength and density can create a visible difference quickly—and that confidence boost matters.