Key Takeaways
- Hair thinning is the reduction in hair density with finer strands; hair loss is the shedding or falling out of hair; hair breakage is the snapping of hair strands due to damage.
- Understanding these differences and using targeted Pureology products helps maintain healthy, strong, and vibrant hair.
What Is Hair Thinning?
Hair thinning refers to the gradual reduction in the density or volume of hair on your scalp. It means that while the hair strands are still present, they become noticeably finer and less abundant. The scalp may become more visible, especially around the crown or part lines. Hair thinning is often a precursor to hair loss but can also happen temporarily due to factors such as stress, poor nutrition, hormonal changes, or aging.
For hair thinning, you should look for products that focus on strengthening and volumizing hair while promoting scalp health. Key types of products to consider include:
- Strengthening Shampoos and Conditioners: Formulated to reinforce fragile hair strands and reduce breakage such as Pureology’s Strength Cure Shampoo and Conditioner, protein-infused, fortifying formulas deliver 2x stronger strands without sacrificing softness for a lusciously lightweight feel.
- Volumizing Products: Such as lightweight shampoo and conditioners that add body and fullness without weighing hair down such as Pureology’s Pure Volume Shampoo and Condition duo that enhances volume and restores movement without weighing down hair.
- Leave-in Strengtheners and Serums: To provide extra protection and nourishment throughout the day. We recommend Pureology’s Strength Cure Dream Healer, weightless hair serum that helps restore hair to its virgin-like strength, sealing split ends and infusing long-lasting shine and softness. This serum is specially formulated for damaged, color-treated hair, reducing breakage by 85% and providing up to 450⁰F heat protection.
Takeaway: Hair thinning is about the decreased thickness and density of hair shafts, making your hair look less full.
What Is Hair Loss?
Hair loss, also called alopecia, is the actual shedding or falling out of hair strands from the scalp or other parts of the body. It can be temporary or permanent. Temporary hair loss can occur due to factors like illness, surgery, severe stress, or medication, while permanent hair loss is often linked to genetics or medical conditions such as androgenetic alopecia (pattern baldness). Hair loss means hair follicles are no longer producing new hairs or hairs are shedding faster than they regrow.
For hair loss, it’s important to use products that support scalp health and gently promote hair fullness, though medical treatment may be necessary for underlying causes. Look for:
- Gentle, Volumizing Shampoos and Conditioners: These cleanse without stripping the scalp and create the appearance of thicker hair by adding body and lift. We recommend Pureology’s Pure Volume Shampoo and Conditioner Duo, a lightweight formula that doesn’t weigh hair down, adding lift and movement from root to tip. Not only do they help you rise to the occasion, but also clarify buildup at the scalp so you’re left feeling fresh.
- Scalp Care Products: Such as scalp exfoliators or serums to maintain a healthy environment for hair follicles.
Takeaway: Hair loss is the reduction in the total number of hair strands due to follicles ceasing to produce hair or excessive shedding.
What Is Hair Breakage?
Hair breakage differs from hair loss in that the hair strand breaks or snaps along its length rather than falling out from the root. This results in shorter, uneven hair strands and split ends. Common causes include mechanical damage (like harsh brushing or heat styling), chemical treatments (such as coloring or perming), dehydration, and lack of proper hair care. Hair breakage affects the quality and strength of the hair but does not reduce the number of hair follicles or strand production.
For hair breakage, you should focus on products that repair, strengthen, and deeply moisturize the hair to prevent further damage. Look for:
- Repairing Shampoos and Conditioners: Choose formulas rich in keratin, proteins, and antioxidants to rebuild and strengthen the hair fiber. Pureology’s Strength Cure collection is an excellent choice, triple strength healing blend with Lactic Acid, Citric Acid, and Amino Acid. Strength Cure is a complete treatment system designed to gently cleanse, intensely hydrate, and powerfully rebuild your hair from the inside
- Deep Conditioning Treatments and Hair Masks: These hair masks provide intensive moisture and nourishment to restore hair softness and elasticity. Pureology’s Strength Cure Hair Treatment is a fortifying mask treatment that strengthens and smooths split ends to prevent further damage.
- Leave-in Conditioners and Serums: Help protect hair from mechanical damage and environmental stress throughout the day.
- Heat Protectants: Essential for shielding hair from damage caused by styling tools like blow dryers and flat irons. Look for Pureology’s Color Fanatic Multi-Tasking Leave-In Spray 21 benefits that primes hair for heat, detangles, protects from future damage, and adds shine from root to tip.
Takeaway: Hair breakage is damage to the hair shaft, leading to snapped or fragmented strands rather than hair falling out from the scalp.
Differentiating between hair thinning, hair loss, and hair breakage is crucial for addressing the right hair concerns effectively. While hair thinning and hair loss relate to the density and number of hair strands, hair breakage impacts the health and strength of individual strands. Proper diagnosis and targeted care, including products formulated for your specific hair needs, can help you maintain healthy, beautiful hair.
FREQUENTLY ASKED QUESTIONS
Can color-treated hair cause thinning or breakage?
Color processing itself does not cause thinning at the scalp, but frequent chemical services can weaken the hair shaft, leading to breakage. To protect weakened strands, use Strength Cure Shampoo and Conditioner. The ZeroSulfate® formula cleanses gently without stripping color, while our AntiFade Complex® keeps your salon shade vibrant and rich.
How do I stop hair breakage from heat styling?
Always prep damp hair with a heat protectant before using blow dryers or hot tools. Color Fanatic Multi-Tasking Leave-In Spray provides heat protection up to 450°F, instantly detangles, and reinforces fragile strands to reduce styling-induced breakage.
What is the most common cause of hair breakage?
The leading causes of breakage are excessive heat styling without protection, chemical processing (like bleaching or color-treating), and aggressive mechanical stress from rough brushing.





