What Is Hair Serum and How To Use It: A Guide to Healthy Hair

- Hair serum makes hair shiny, smooth, and protects it from heat and pollution without feeling heavy.
- It controls frizz, reduces hair breakage, and helps keep hair healthy with products like Redken's serums.
- Apply a small amount to damp hair, avoid roots, comb through, and use a little on dry hair to keep it smooth.
Hair serum is a professional haircare essential designed to transform your hair by adding shine, reducing frizz, and protecting it from damage.
At Redken, where science drives every innovation, we understand that effective haircare starts with products backed by research and tailored to your hair's specific needs.
What is Hair Serum?
Hair serum is a lightweight product that you apply to your hair to make it look healthier. It helps smooth out frizz, adds shine, and protects your hair from things like heat from styling tools or pollution in the air. Unlike heavy oils, serums don't weigh your hair down or make it greasy. Think of it as a protective shield that keeps your hair looking smooth and polished.
Benefits of Hair Serum

Hair serum offers a range of benefits that make it an essential part of any haircare routine:
- Frizz Control: Serums tame frizz and flyaways instantly, giving your hair a smooth and polished appearance even in humid or windy conditions. Using a serum such as the Redken Frizz Dismiss Instant Deflate Oil-In-Serum moisturizes and detangles hair while providing smoothness, manageability, and shine for medium to maximum frizz control.
- Adds Shine: Hair serums add a natural-looking shine that makes your hair look healthy and vibrant without feeling heavy or greasy.
- Heat Protection: Many serums form a protective layer on your hair that shields it from the damaging effects of heat styling tools like straighteners, curlers, and blow dryers.
- Smooths Hair Texture: By sealing the hair cuticle, serums make hair feel softer and silkier to the touch, improving manageability and making styling easier.
- Reduces Breakage and Split Ends: Hair serums help strengthen hair strands and reduce the appearance of split ends, giving your hair a healthier overall look. A great bond repair serum is the Redken Acidic Bonding Concentrate 24/7 Night & Day Serum, a revolutionary bonding serum that repairs and strengthens processed, damaged hair. This hair treatment works 24/7 to nourish and revitalize your hair.
- Protects Against Environmental Damage: Pollution, UV rays, and harsh weather can all weaken hair. Serums create a barrier that protects hair from these external aggressors.
- Long-Lasting Style: Applying serum can help styles last longer by keeping hair smooth and in place throughout the day.
- Nourishes Hair: Some serums contain ingredients that provide moisture and nutrients, helping to keep hair hydrated and well-nourished.
- Supports Scalp Health: Specialized serums promote a healthy scalp environment which can help reduce dryness and promote better hair growth over time.
How to Use Hair Serum Effectively


Follow these simple steps to get the best results from your hair serum:
- Apply on Clean, Damp Hair: Use serum after washing and towel-drying your hair. Damp hair will absorb the product better.
- Use just a Few Drops: Start with 2-3 drops of serum. Adjust based on hair length and thickness. Too much serum can make hair feel heavy.
- Warm It Up: Rub the serum between your palms to spread it evenly. Then apply starting from the middle of your hair down to the ends, these areas usually need the most care. Avoid your roots to keep hair from looking oily.
- Comb Through Gently: Use a wide-tooth comb to distribute the serum and detangle your hair.
- Reapply if Needed: You can apply a small amount on dry hair during the day to smooth frizz or boost shine.
- For Scalp Care: Some serums are made for the scalp, apply these directly to your scalp and massage gently.
At Redken, we create hair serums with the highest quality ingredients and proven technology. We help you care for your hair with focus and care, so every day your hair looks and feels its best.