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Hair Porosity Explained: Why Your Hair Absorbs Nothing

If your hair: feels dry even after conditioning gets frizzy immediately absorbs oil too fast—or not at all stays wet forever never seems hydrated …the problem may not be your products. It may be your hair porosity. In the Grit & Glow Lab, we see porosity as one of the most overlooked reasons people struggle with dryness, breakage, buildup, and “unmanageable” hair. Because healthy hair isn’t only about what you apply. It’s about whether your strands can actually absorb and retain moisture properly. This guide explains what hair porosity means, how to identify your porosity type, and how to build a smarter hair routine that actually works for your hair structure. What Is Hair Porosity? Hair porosity refers to your hair’s ability to absorb and retain moisture. Your hair strand is protected by a cuticle layer made of overlapping scales. When the cuticle is: tightly closed → moisture struggles to enter balanced → hydration stays stable raised or damaged → moisture escapes too quickly 👉...
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Why Your Hair Is Shedding: The Grit & Glow Fallout Analysis




 If you’re noticing:

  • more hair in the shower
  • strands on your pillow
  • excessive brushing fallout
  • a thinner ponytail

…it can feel alarming fast.

But in the Grit & Glow Lab, we don’t see hair shedding as random.

We see it as biological feedback.

Because hair shedding is usually your body signaling:
👉 stress
👉 nutrient depletion
👉 hormonal shifts
👉 recovery imbalance
👉 follicle disruption

And by the time the shedding becomes noticeable…

the trigger often happened months earlier.

This guide breaks down the real causes of hair shedding, how to tell normal shedding from excessive fallout, and what actually helps hair recover.

Is Hair Shedding Normal? (Quick Answer)

Yes.

Losing hair daily is completely normal.

Most people naturally shed:
👉 50–100 hairs per day

This is part of the normal hair growth cycle.

But when shedding suddenly increases beyond your baseline, it often signals an internal disruption.

What Causes Hair Shedding?

1. Stress & Cortisol

One of the biggest causes of sudden shedding is stress.

High cortisol levels can:

  • disrupt the hair cycle
  • push follicles into resting mode
  • trigger excessive shedding weeks later

👉 This is called telogen effluvium.

2. Nutrient Deficiencies

Hair follicles require:

  • protein
  • iron
  • zinc
  • vitamin D
  • B vitamins

When resources drop, the body shifts energy toward survival—not hair growth.

👉 Hair becomes non-essential during stress states.

3. Hormonal Changes

Hormonal fluctuations strongly affect follicles.

Common triggers:

  • postpartum recovery
  • thyroid imbalance
  • PCOS
  • menopause
  • androgen sensitivity

👉 Hormones help regulate the hair cycle.

4. Illness or Fever

After illness, surgery, or infection, many people notice shedding 1–3 months later.

👉 Physical stress affects follicles too.

5. Rapid Weight Loss or Restrictive Dieting

Aggressive calorie restriction can reduce:

  • protein intake
  • nutrient availability
  • energy for follicle activity

👉 Hair often responds quickly to nutritional stress.

6. Scalp Inflammation

Poor scalp health may worsen shedding through:

  • irritation
  • buildup
  • inflammation
  • excess oil imbalance

👉 Healthy follicles need a healthy environment.

💎 The Grit & Glow Insight: Shedding Is Usually Delayed

This is the part most people don’t realize.

Hair shedding often reflects:
👉 what happened 6–12 weeks ago.

That’s why the connection feels confusing.

The trigger may have been:

  • burnout
  • illness
  • emotional stress
  • dieting
  • hormonal changes

…and only now is your hair responding.

Signs of Excessive Hair Shedding

You may be shedding excessively if you notice:

  • Large amounts of hair while washing
  • Sudden increase in fallout
  • Visible thinning
  • Smaller ponytail
  • More scalp visibility
  • Hair everywhere throughout the day

👉 Consistency and sudden change matter more than isolated shedding days.

Hair Shedding vs Hair Breakage

Hair Shedding

  • Hair falls from the root
  • Often has a white bulb attached
  • Linked to the follicle cycle

Hair Breakage

  • Hair snaps mid-length
  • Usually caused by damage
  • No bulb attached

👉 These are different problems requiring different solutions.

How to Reduce Hair Shedding

1. Support Nutrient Intake

Focus on:

  • protein
  • iron
  • zinc
  • vitamin D
  • omega-3s

👉 Hair growth is energy expensive.

💎 Lab Pick: Nutrafol Women / Men

Why it stands out:

  • Targets stress-related shedding
  • Includes adaptogens + hair nutrients
  • Supports scalp and follicle health
  • Comprehensive hair support system

👉 Excellent for stress and lifestyle-related hair shedding.

💎 Alternative Lab Pick: Viviscal Professional

Why it works:

  • Biotin + Zinc + Vitamin C support
  • Helps support hair density
  • Popular long-term hair supplement

👉 Great foundational supplement option.

2. Reduce Stress Load

Focus on:

  • sleep quality
  • nervous system recovery
  • consistent movement
  • stress management

👉 Cortisol strongly affects follicles.

3. Improve Scalp Health

Healthy scalp habits:

  • gentle cleansing
  • reducing buildup
  • avoiding irritation

👉 The scalp environment matters.

4. Stop Aggressive Hair Damage

Reduce:

  • tight hairstyles
  • heat styling
  • bleaching
  • rough brushing

👉 Damaged hair sheds and breaks more easily.

5. Be Patient With Recovery

Hair recovery takes time.

Typical timeline:

  • 1–2 months → shedding slows
  • 3–4 months → baby hairs appear
  • 4–6 months → density improves

👉 Hair changes slowly.

Can Hair Shedding Be Reversed?

In many cases, yes.

Especially when caused by:

  • stress
  • illness
  • nutrient depletion
  • temporary hormonal changes

👉 Follicles often recover once the system stabilizes.

When to See a Professional

Consider professional evaluation if you notice:

  • sudden severe shedding
  • bald patches
  • scalp pain
  • shedding lasting over 6 months
  • major density loss

👉 Persistent hair loss may need medical assessment.

Common Mistakes

Avoid:

❌ Panic-buying products
❌ Over-oiling the scalp
❌ Crash dieting
❌ Ignoring stress levels
❌ Expecting instant regrowth

👉 Hair recovery requires consistency.

FAQs: Hair Shedding Causes

Why is my hair shedding so much suddenly?

Stress, illness, hormones, or nutrient deficiencies are common triggers.

Can stress cause hair shedding?

Yes. High cortisol can disrupt the hair growth cycle.

Is hair shedding reversible?

Often yes, especially if the underlying trigger is addressed.

What vitamin deficiency causes hair shedding?

Low iron, vitamin D, zinc, and protein intake are commonly linked.

Final Thought

Hair shedding is not always damage.

Sometimes it’s your body signaling that it’s been under pressure longer than you realized.

Because hair growth only thrives when the system feels supported enough to prioritize it.

And when recovery finally happens—

your follicles often recover too.

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