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Shampoos to avoid if you’re experiencing hair loss

Yoram Harth, MD
By Yoram Harth, MD | Jun 22, 2025

Hair loss can be distressing, whether it is gradual thinning, sudden shedding, or patchy bald spots. While many factors contribute to hair loss — genetics, hormones, stress, nutrition, or medical conditions — one often overlooked cause is your shampoo. The wrong shampoo can irritate your scalp, weaken hair strands, and worsen existing shedding. Let’s explore which shampoos you should avoid, why, and how switching to a customized shampoo can support a healthier scalp and fuller hair.

Avoid Shampoos with Harsh Sulfates

Why avoid:

Sulfates like sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES) are foaming agents that strip away dirt and oil. But people with hair loss also strip away essential scalp lipids and natural protective oils, leading to dryness, irritation, and inflammation of the hair follicles. A damaged scalp barrier can further accelerate hair thinning.

Look for:

Sulfate-free cleansers like cocamidopropyl betaine, decyl glucoside, or sodium cocoyl isethionate.

Avoid Shampoos with Harsh Fragrances or Alcohols

Why avoid:

Artificial fragrances and drying alcohols such as ethanol, SD alcohol, and isopropyl alcohol can trigger scalp irritation, allergic reactions, and dryness. A sensitive or inflamed scalp creates a hostile environment for healthy hair growth.

Look for:

Fragrance-free or naturally scented formulas with hydrating, soothing ingredients such as aloe vera or chamomile.

Avoid Heavy Silicone-Based Shampoos

Why avoid:

Silicones like dimethicone can make hair appear smooth and shiny, but they may build up on the scalp and hair shafts over time. This buildup can clog follicles and weigh hair down, making it appear flatter and more lifeless, especially for fine or thinning hair.

Look for:

Lightweight, water-soluble silicones or silicone-free formulations.

Avoid Shampoos with Parabens and Formaldehyde Donors

Why avoid:

Preservatives like parabens and formaldehyde-releasing agents such as DMDM hydantoin or imidazolidinyl urea have been linked to scalp irritation and allergic reactions. Chronic inflammation around hair follicles may weaken the hair cycle and contribute to increased shedding.

Look for:

Natural or safer synthetic preservatives, like potassium sorbate or phenoxyethanol.

Avoid One-Size-Fits-All Shampoos

Why avoid:

People with hair loss often have specific scalp conditions such as oiliness, flaking, inflammation, or sensitivity that generic shampoos don’t address. Using a poorly matched shampoo can worsen scalp health and hinder regrowth efforts.

Why Customized MDhair Shampoos Are the Smarter Choice for Hair Loss

At MDhair, we understand that no two scalps are alike, especially when dealing with hair thinning or shedding. Our customized shampoos are dermatologist-formulated and AI-personalized to match your scalp type, hair condition, and hair loss.

The Power of MDhair Regrowth Shampoo

The MDhair Regrowth Shampoo is ideal for people experiencing early to moderate hair thinning, especially when linked to androgenetic alopecia or hormonal imbalance. Its formula contains saw palmetto, a natural DHT blocker that helps reduce miniaturization of hair follicles. Caffeine stimulates the scalp and improves microcirculation, enhancing follicle nutrient delivery. Additional ingredients like biotin, zinc PCA, niacinamide, and rosemary extract support keratin production, soothe inflammation, and strengthen fragile strands. This shampoo is designed to cleanse and support the regrowth cycle, making it a key part of any hair recovery routine.

The Strength of MDhair Restore Shampoo

The MDhair Restore Shampoo is specially formulated for severe shedding, sensitive scalps, or those recovering from inflammation and scalp damage. It contains plant-based anti-inflammatory ingredients, including green tea extract, licorice root, and colloidal oats, which help calm irritation and support scalp barrier recovery. Panthenol (provitamin B5) and hydrolyzed proteins provide hydration and rebuild the hair’s structure from the roots. This formula is ideal for individuals with post-COVID hair loss, postpartum hair changes, or scalp conditions needing gentle care and nourishment-driven restoration.

Key Benefits of All MDhair Customized Shampoos

  • Free from sulfates, parabens, synthetic fragrances, and drying alcohols
  • Clinically backed active ingredients tailored to your hair loss type
  • Dermatologist-formulated for safe, effective long-term use
  • Improves scalp hydration and barrier function
  • Proven user results: reduced shedding, thicker hair appearance, and healthier scalp

Take the MDhair hair quiz today to receive your personalized shampoo formula — Regrowth or Restore — based on your scalp condition and hair goals.

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