Why Your Hair May Be Falling Out More Than Usual

You’ve changed your shampoo. You’re using oils. You’re trying to be gentle with heat and colour appointments. Yet your hair still feels thinner, weaker, drier, or like it simply won’t grow the way it used to.

For many women, the real issue isn’t only what’s happening on the outside of the hair, it’s what’s happening internally.

Vitamin deficiency hair loss, iron deficiency hair loss, and thyroid problems are some of the most overlooked causes of ongoing hair shedding and slow regrowth. Unfortunately, they often occur together.

If you’ve been dealing with unexplained thinning, excessive shedding in the shower, sparse edges, a widening part, brittle strands, or hair that suddenly lost its fullness, your body may be trying to tell you something.

How Vitamin Deficiency Hair Loss Happens

Hair is not considered “essential” by the body. So when your body is low in nutrients, it redirects vitamins and minerals toward organs and survival functions first.

That means vitamin deficiency hair loss is often one of the earliest visible signs of internal imbalance.

This type of vitamin deficiency hair loss usually develops gradually.

Many people notice:

• Increased shedding
• Hair becoming finer or more see-through
• Loss of volume
• Hair that breaks more easily
• Slower growth
• Dull texture
• Difficulty retaining length
• A dry, irritated scalp

Iron Deficiency Hair Loss: One of the Most Common Causes

Iron deficiency hair loss is incredibly common, especially in women.

Iron helps carry oxygen to your cells, including the hair follicles. When iron levels are too low, the follicles may no longer have enough support to maintain healthy growth cycles.

The result can be:

• Excessive daily shedding
• Diffuse thinning across the scalp
• Hair that won’t grow past a certain point
• Weak, fragile strands
• Increased breakage
• Worsening texture changes

Many people with iron deficiency hair loss also experience:

• Fatigue
• Feeling cold often
• Dizziness
• Pale skin
• Brittle nails

The Vitamin Deficiencies Most Commonly Linked to Hair Loss

Iron / Ferritin

Low ferritin levels are among the biggest triggers of chronic shedding and thinning.

Vitamin D

Vitamin D plays a major role in hair follicle cycling.

B12

Low B12 levels can reduce oxygen delivery to rapidly growing cells, such as hair follicles.

Zinc

Supports scalp health, repair, and growth.

Protein Deficiency

Hair is primarily made of protein, so a low intake can significantly slow growth.