Salerm 21 B5 Silk Protein Leave-In Conditioner: An Essential for Hair Care
- Admin
- Mar 17
- 4 min read
Updated: Mar 26
Salerm 21 B5 Silk Protein Leave-In Conditioner is a renowned hair care product designed to hydrate, protect, and revitalize hair. This conditioner is a staple for many seeking to maintain luscious locks. Here’s an overview of its background, composition, benefits, and potential considerations.

History and Creator
Salerm Cosmetics, the brand behind Salerm 21, originated in the late 1970s when Víctor Martínez Vicario acquired Salherm, a small coloring company. Under his leadership, the company expanded its product line to include various hair care solutions, establishing itself as a significant entity in the hairdressing and cosmetics industry.
Key Constituents
The effectiveness of Salerm 21 lies in its carefully selected ingredients:
Silk Proteins: These proteins penetrate deeply into the hair shaft, enhancing shine and improving overall appearance.
Provitamin B5 (Panthenol): This vitamin enhances hair by covering damaged surfaces, providing extra shine, softness, and strength.
Hyaluronic Acid: Known for its ability to retain moisture, it helps maintain hair hydration effectively.
Vitamin E: A powerful antioxidant that prevents free radical formation, contributing to hair health.
Benefits
Users of Salerm 21 can expect several advantages:
Deep Hydration: The combination of silk proteins and hyaluronic acid ensures intense moisture, revitalizing dry and damaged hair.
Enhanced Shine and Softness: Silk proteins and provitamin B5 work together to smooth the hair cuticle, reducing frizz and adding a natural shine.
Protection Against Environmental Factors: The conditioner forms a barrier against harmful elements like sunlight, chlorine, and saltwater, safeguarding hair integrity.
Considerations
While Salerm 21 offers numerous benefits, it's essential to be aware of potential considerations:
Ingredient Sensitivities: The product contains parabens (such as methylparaben, propylparaben, and butylparaben) that some may choose to avoid due to sensitivities or concerns.
Silicone Content: Ingredients like amodimethicone and cyclopentasiloxane can build up over time, potentially leading to a weighed-down feeling if not properly managed.
Overall, Salerm 21 B5 Silk Protein Leave-In Conditioner is celebrated for its ability to moisturize, protect, and enhance hair's appearance. However, individuals with specific ingredient sensitivities should review the product's composition to ensure it aligns with their personal care preferences.
How Leave-In Conditioners "Hydrate" Hair
1. Humectants (Attract Moisture)
Ingredients like provitamin B5 (panthenol) and hyaluronic acid draw in moisture from the air or from damp hair. If the air is dry, humectants can pull moisture out of the hair. This is why sealing products are needed.
2. Emollients (Smooth & Soften Hair)
Silk proteins and silicones form a thin film over the hair shaft. This makes hair feel soft while preventing roughness. Though they do not hydrate, they improve texture.
3. Occlusives (Lock in Moisture)
Silicones (like amodimethicone) create a protective barrier against moisture loss. Applying leave-in conditioner on damp hair works best, as it traps moisture from the water in.
Leave-in conditioners don’t add water to your hair, but they help retain the moisture you already have. This is crucial in preventing hair from drying out.
Breaking It Down: Hydration vs. Moisturization
Hydration = Water Content: Comes from the water you drink or apply directly to hair.
Moisturization = Sealing in Hydration: Done with oils, butters, and silicones that prevent moisture from escaping.
What Hair Products Actually Do
Humectants (Pull in moisture)
Example: Glycerin, panthenol, hyaluronic acid attract water from the environment.
Emollients (Smooth and soften hair)
Example: Silk protein, fatty alcohols, some light oils fill in gaps, making hair feel softer.
Occlusives (Seal in moisture & prevent water loss)
Example: Shea butter, silicones, heavy oils lock moisture in by creating a barrier.
Key Takeaway
Water = true hydration.
Products = help retain that hydration.
For best results, always start with damp hair before using moisturizing products.
How Sebum Works on Different Hair Types
Maintaining a clean scalp is crucial for effective hair care. Sebum is your hair’s natural oil, created to keep it moisturized:
Straight & Wavy Hair: Sebum travels down easily, keeping hair looking healthy.
Curly & Coily Hair: Bends in the hair shaft slow down sebum, leading to drier ends. Therefore, additional oils may be needed.
Role of Hair Products in Sebum Distribution
Since sebum struggles to coat all hair types evenly, hair products serve two main functions:
Help Spread Sebum Over the Hair: Lighter oils and leave-ins help distribute sebum evenly.
Hold Onto Sebum & Prevent Moisture Loss: Ingredients like butters and heavy oils trap moisture and prevent dryness.
Finding the Right Balance
For some, merely keeping the scalp clean suffices. However, for curly or dry-prone hair, additional products may be necessary.
To optimize your natural oils:
Cleanse regularly but gently.
Use lightweight products.
Massage the scalp to distribute sebum effectively.
Layer products strategically: water first, lightweight hydrators second, followed by oils.
Hair care should work with your scalp’s natural oils, not replace them. The right strategy will depend on your hair type and environmental factors.
Protein Considerations for Low Porosity Hair
Is Salerm 21 too much protein for those with low porosity or protein-sensitive hair?
Salerm 21 B5 Silk Protein Leave-In Conditioner is milder compared to an Aphogee Protein Treatment. Here’s the key difference:
Aphogee Two-Step Protein Treatment: This is an intensive treatment for severely damaged hair, using hydrolyzed proteins for strength but may lead to stiffness.
Salerm 21: It’s a protein-enriched conditioner with silk proteins and provitamin B5 in milder concentrations, providing moisture and light strengthening without risking protein overload.
Who Should Use What?
✅ Use Aphogee if: Your hair needs a serious protein boost and is extremely damaged.
✅ Use Salerm 21 if: You seek daily moisture and mild strengthening without stiffness.
Salerm 21 is primarily a moisturizing and protecting product with light protein benefits suitable for regular use without the risk of protein overload.
Get ready to learn more in part 2!
Get Ready to learn more in part 2!
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