7 Best Hair Serums for Fine Hair That Actually Work

Ever wished your fine hair had more oomph? We get it! That's why we've hunted down amazing hair serums for fine hair. These aren't your grandma's heavy oils; these lightweight formulas add body and shine without weighing your locks down. Think bouncy volume and a healthy, glossy finish – all thanks to carefully selected ingredients that nourish and strengthen delicate strands. Prepare for a hair transformation that's both effortless and effective!

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1. Garnier Fructis Sleek & Shine Anti-Frizz Serum (Argan Oil, 2-pack)

Tames frizz, adds shine, and leaves hair soft.

Garnier Fructis Sleek & Shine Anti-Frizz Serum (Argan Oil, 2-pack)
    Highly rated
  • Shine
  • Softness
  • Smell
  • Works well
  • Reducing frizz
  • Value for money
  • Hair health
    Some controversy about
  • Greasiness

Garnier Fructis Sleek & Shine Anti-Frizz Serum tames frizz and dryness for lasting smoothness and shine. Infused with the power of Moroccan argan oil, this serum penetrates deep to nourish and control frizz for up to three days. Its lightweight formula leaves hair looking sleek and shiny without weighing it down. Suitable for all hair types, this serum is a perfect addition to any hair care routine. Part of the Sleek & Shine range, it complements the shampoo and conditioner for a complete frizz-fighting system, leaving you with manageable, healthy-looking hair. The convenient two-pack provides ample supply for continued hair care.

This hair serum is a game-changer! Users consistently rave about its ability to dramatically reduce frizz and leave hair smooth, shiny, and soft. Many with thick, coarse, or curly hair found it effortlessly detangled their locks and improved manageability. The serum is praised for its light feel; it doesn't weigh hair down even with repeated use, and a little goes a long way. The pleasant, subtle fruity scent is another plus. Even users with short hair found it easy to apply and control the amount used. While some mentioned the price, the overwhelmingly positive results and noticeable improvements in hair health make it, in their opinion, well worth the cost. Professional stylists have even commented on the noticeable softness and shine it provides.

  • Rate: 4.7 / 6390

2. Dove Density Boost Serum: Thicker, Hydrated Hair in 30 Days

Amazing results: thicker, softer hair, and itch relief!

Dove Density Boost Serum: Thicker, Hydrated Hair in 30 Days
    Highly rated
  • Smell
  • Itch relief
  • Value for money
  • Ease of use
  • Appearance
  • Hair growth
    Some controversy about
  • Greasiness
  • Effectiveness

Dove Scalp + Hair Therapy Density Boost Serum revitalizes your scalp and hair for visibly thicker, fuller results in as little as 30 days. This lightweight, fast-absorbing serum, developed with dermatologists, is clinically proven to boost hair density. Infused with skincare ingredients like niacinamide, vitamin E, zinc, and peptides, it nourishes the scalp and strengthens hair follicles from root to tip. The serum instantly relieves dry scalp and is a hydrating treatment, leaving hair feeling healthy and full. Achieve thicker, stronger hair with this PETA-approved vegan formula.

This Dove hair serum has received overwhelmingly positive feedback for its ability to improve hair health and appearance. Many users report significant improvements in scalp itchiness, with some experiencing complete relief. The serum also leaves hair feeling noticeably softer, thicker, and fuller, even after just one use. Its pleasant scent is a frequently mentioned plus. Several users noted that their hair growth improved while using the serum. While some users experienced initial greasiness, this seems manageable with proper application and doesn't detract from the overall positive experience for most. The serum is easy to use and delivers noticeable results for many. Overall, this product is highly effective for improving hair texture and addressing scalp concerns for many users.

  • Rate: 4.1 / 600

3. Luseta Marula Oil Serum: Smoothing, Shiny, Nourishing Hair Treatment (3.38oz)

Healthy, shiny hair, effortlessly moisturized and strengthened.

Luseta Marula Oil Serum: Smoothing, Shiny, Nourishing Hair Treatment (3.38oz)
    Highly rated
  • Smell
  • Scalp health
  • Softness
  • Oiliness
  • Shine
  • Effectiveness
  • Weight
  • Moisture level

Luseta Marula Oil Hair Treatment is a lightweight serum designed to revitalize fine and dry hair. This 3.38 oz bottle delivers a potent dose of marula oil, smoothing and moisturizing each strand for healthy, shiny results. Its high-performance absorption ensures the oil bonds effectively, creating a protective shield against environmental and chemical damage. This nourishing treatment boosts hair roots while adding shine and taming frizz. Suitable for daily use on damp or dry hair, it's color-safe and free from sulfates, parabens, and gluten.

This rose hair oil is a luxurious and effective treatment that leaves hair looking and feeling healthy, strong, and moisturized. Users rave about its delightful fragrance and lightweight texture, which absorbs easily without leaving a greasy residue. A little goes a long way, making it a worthwhile investment. Many appreciate the ease of application and the noticeable shine it imparts. While some users didn't experience hair growth benefits, the overall consensus points to a superior product with a beautiful presentation.

  • Rate: 4.5 / 1047

4. Nexxus Lightweight Hair Oil: Repair, Nourish & StyleProtect with Rose of Jericho

Lightweight, frizz-fighting oil adds shine and bounce to curls.

Nexxus Lightweight Hair Oil: Repair, Nourish & StyleProtect with Rose of Jericho
    Highly rated
  • Scent
  • Softness
  • Effectiveness
  • Shine
  • Lightweight
  • Product quality
  • Frizz control
    Some controversy about
  • Greasiness

Nexxus Ultra Lightweight Hair Oil Repair & Nourish delivers intense nourishment without weighing hair down. This restorative oil, featuring Rose of Jericho oil and StyleProtect Technology with a Dual-Rose Complex, visibly repairs damage and boosts shine. Its lightweight formula provides long-lasting benefits: 72-hour humidity protection, 48-hour frizz control, and 450º heat protection. Simply apply 2-3 drops to damp or dry hair for effortless styling and a uniquely personalized look, reapplying as needed. This oil is part of the Nexxus styling collection, designed for lasting style and weightless protection.

Nexxus hair oil is a lightweight serum that leaves hair shiny, bouncy, and frizz-free without feeling greasy or oily. Users praise its ability to provide "slip" to curls, making them more manageable. The pleasant, light scent is a bonus, and many appreciate that it doesn't clash with perfume. It works well with other hair products and is effective in protecting hair from heat damage during styling, even for thick or fine hair. Several reviewers found it to be a superior alternative to other heavier serums, successfully addressing dryness and leaving hair feeling soft and hydrated. One user even noted its unexpected benefit of softening cuticles. While one comment mentioned the scent not lasting long, the overall consensus points to a highly effective and enjoyable hair oil. A single negative comment regarding Amazon packaging is noted, but does not reflect the product quality itself.

  • Rate: 4.3 / 359

5. Moroccanoil Light: Hydrating Hair Treatment

Lightweight, frizz-fighting, shiny, and smells amazing!

Moroccanoil Light: Hydrating Hair Treatment
    Highly rated
  • Quality
  • Hair softness
  • Scent
  • Hair health
  • Shine
  • Greasiness
  • Weight
    Some controversy about
  • Value for money

Moroccanoil Treatment Light is a lightweight hair treatment perfect for fine or light-colored hair. Unlike the original formula, this version delivers the same smoothing, frizz-reducing, and shine-enhancing benefits without weighing hair down. Infused with argan oil rich in antioxidants and essential fatty acids, it protects against environmental damage. Apply to damp hair as a styling base or to dry hair for added smoothness and shine. This non-greasy formula complements other Moroccanoil products, creating a complete hair care system. The sustainably packaged bottle is 100% recyclable, reflecting Moroccanoil's commitment to environmental responsibility.

This Moroccan oil consistently receives rave reviews for its ability to leave hair feeling incredibly soft, shiny, and manageable. Users praise its lightweight texture (especially the light version), which absorbs easily without leaving hair greasy or heavy, even on long or curly hair. The pleasant scent is another frequently mentioned plus, described as delightful and subtle. Many users find that a little goes a long way, making the product highly economical and long-lasting. It's effective at taming frizz and enhancing shine, improving the overall health and appearance of hair, even for those with color-treated or damaged strands. While some users found the original formula slightly heavy, the light version is overwhelmingly preferred for its non-greasy feel. For those with sensitive scalps, it's recommended to focus application on the ends and mid-lengths of the hair, avoiding the roots. Overall, this oil is considered a top contender among hair oils, delivering noticeable improvements in hair health and appearance.

  • Rate: 4.7 / 21165

6. Viviscal Thickening Serum: Instant, lightweight leave-in for fuller hair.

Adds volume, thickness, and combats hair thinning.

Viviscal Thickening Serum: Instant, lightweight leave-in for fuller hair.
    Highly rated
  • Thickness
  • Scent
  • Durability
  • Shine
    Some controversy about
  • Functionality
  • Value for money
  • Stickiness
  • Hair growth

Viviscal Hair Thickening Serum is a lightweight, leave-in elixir designed to instantly boost hair volume and create the appearance of thicker, fuller hair. This paraben-, SLS-, and SLES-free formula utilizes a blend of key ingredients including biotin and keratin, along with marine collagen and seaweed extract, to volumize and fortify each strand. Its easy application works on both wet and dry hair, suitable for all hair types. The serum coats each hair, creating multi-dimensional density without frizz, resulting in noticeably thicker-looking hair. Experience the transformative power of Viviscal's instant thickening effect.

This hair serum is a fantastic solution for those experiencing thinning or fine hair. Users consistently report a significant increase in hair volume and thickness, with many noting a noticeable improvement after just a couple of weeks. The serum is easy to apply, dries quickly, and leaves no residue or unpleasant odor. It works well with other styling products and doesn't interfere with styling. Several users mentioned a reduction in hair shedding. While some users found the price a bit high for the quantity, many deemed it worthwhile given the impressive results. The lightweight formula is praised for its non-greasy feel and pleasant scent. Overall, users overwhelmingly love how this serum makes their hair look and feel fuller and healthier, boosting confidence and making styling easier.

  • Rate: 4.2 / 974

7. Batana Oil Hair Serum: Repairs & Thickens Thin, Damaged Hair

Batana Oil Hair Serum: Repairs & Thickens Thin, Damaged Hair

Batana Oil Hair Serum revitalizes thinning, dry, damaged, fine, and split ends, leaving hair thicker and healthier. This lightweight, anti-frizz formula provides heat protection for all hair types, including curly and frizzy hair. Enriched with batana oil, along with argan, jojoba, and rosemary extracts, it nourishes and hydrates without weighing hair down. The serum boosts volume, creating a fuller look, while simultaneously smoothing flyaways and reducing frizz. Suitable for both men and women, it's gentle on color-treated hair, enhancing shine and manageability. Simply apply a few drops to damp or dry hair, focusing on the mid-lengths and ends, 2-3 times a week for optimal results.

  • Rate: 5 / 1