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Best Seller

R + F Lash Boost

Rodan + Fields is the #1 Premium Lash Serum Brand in the US in 2024* Our famous lash conditioning serum is applied nightly to promote the appearance of longer, stronger and darker-looking lashes (or brows!)

$155
4 payments of $38.75 at 0% interest with Klarna
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Earns 233 pts on this order

  • As low as $1.94 per day on first order with use as directed*
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  • Free full-size gift on your second order and anniversary, with qualifying purchases
  • Ships free on every order $40+
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Recommended Usage: Once daily, in the PM
Size: 5 ML / 0.17 Fl. Oz. U.S.

Details

What it is: A nightly eyelash conditioning serum infused with technology to enhance the appearance of length, volume + definition of eyelashes and eyebrows.

Why you need it: Lash durability can be enhanced with proper moisture and protection against breakage. Condition your eyebrows and eyelashes to achieve youthful, fuller-looking definition.

*Source Euromonitor International Limited; Beauty and Personal Care 2026 Edition, retail value RSP terms; all channels; Lash Serum including Lash Serum products sold as part of Sets and Kits.

This cosmetic product contains isopropyl cloprostenate, a synthetic prostaglandin analog. See WARNINGS.

WARNINGS: For external use. Keep out of reach of children. Avoid getting in eyes; if so, rinse with water. Do not use if pregnant or nursing, undergoing treatment for glaucoma or cancer, or if you have ever experienced conjunctivitis, dry eyes, eye infections, styes, irritation from other cosmetics applied in the eye area, or any eye-related disorder or illness. Some users have reported eye redness and itchiness, dry eyes, watering of the eyes, sensitivity, styes, inflammation of eyelid and eye, temporary darkening of skin around the eye area, lash loss and/or visible enhancement of hair around or outside the eye area. Stop use immediately if you experience these or other symptoms. If symptoms persist, seek medical attention. During the time Lash Boost has been on the market, R+F has received reports from some customers of other reactions, including iris discoloration, the appearance of droopy eyelids, and the exacerbation of meibomian gland dysfunction, among others. These and other reactions have been associated with other products containing prostaglandin analogs. Lash Boost has undergone 8-week clinical cosmetic testing, but no long-term testing has been conducted.

Item number: ENHLSH01
Key concerns: Thin or sparse eyelashes and brows

Key benefits: Maintains moisture, enhances lash durability and protects against breakage

Ingredients

Proprietary Technology + Key Ingredients

Lash Boost Technology: Found in our famous lash conditioning serum.

Full Ingredients List: R+F Lash Boost contains almond extract and may not be safe for those with nut allergies. Please consult your doctor before use.

Water, Butylene Glycol, Hydroxyethylcellulose, Keratin, Biotin, Sodium Hyaluronate, Isopropyl Cloprostenate, Octapeptide-2, Allantoin, Panthenol, Copper Tripeptide-1, Pantethine, sh-Polypeptide-1, Cucurbita Pepo (Pumpkin) Seed Extract, Glycerin, Sea Water, Malus Domestica Fruit Cell Culture Extract, Hydrolyzed Glycosaminoglycans, Prunus Amygdalus Dulcis (Sweet Almond) Seedcake Extract, Backhousia Citriodora Leaf Oil, Dipotassium Glycyrrhizate, Rhizobian Gum, Styrene/Acrylates/Ammonium Methacrylate Copolymer, Xanthan Gum, PVP, Lecithin, PEG-12 Dimethicone, Alcohol, Chlorphenesin, Phenoxyethanol, Sorbic Acid, Sodium Hydroxide.

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Results

  • 90%fuller-looking lashes*
  • 85%longer-looking lashes*
  • 63%darker-looking lashes*

Study Participant

Study participant before and after use as directedSecond study participant before and after use as directed

Caution: Results may vary depending on multiple factors: age, gender, skin type, condition, concomitant products used, health history, location, lifestyle and diet. Unretouched photos.

How to use

  1. Use once daily in the PM, on upper lash line only.
  2. 1. Remove makeup and cleanse face.
  3. 2. Dry eyelids and lashes completely.
  4. 3. Apply serum only along the upper lash lines. Dip the brush once per eye and wipe excess product off the brush before applying.
  5. 4. Gently wipe off excess serum from eyelids or lashes. Do not wash your face or eye area after applying. Wait ~90 seconds for serum to dry before going to sleep or applying other products near the eye area.

WARNING: For external use. Keep out of reach of children. Avoid getting in eyes; if so, rinse with water. Do not use if pregnant or nursing, undergoing treatment for glaucoma or cancer, or if you have ever experienced conjunctivitis, dry eyes, eye infections, styes, irritation from other cosmetics applied in the eye area, or any eye-related disorder or illness. Some users have reported eye redness and itchiness, dry eyes, watering of the eyes, sensitivity, styes, inflammation of eyelid and eye, temporary darkening of skin around the eye area, lash loss and/or visible enhancement of hair around or outside the eye area. Stop use immediately if you experience these or other symptoms. If symptoms persist, seek medical attention. This cosmetic product contains isopropyl cloprostenate, a synthetic prostaglandin analog.

Reviews

Common questions about the Rodan + Fields Lash Boost

How long will a container of Rodan + Fields Lash Boost last?

If applied according to directions — once a day on upper lash line — one container should last approximately 2 months. We recommend replacing after 3 months from opening.

Can I use Rodan + Fields Lash Boost if I wear contact lenses?

Yes. Rodan + Fields Lash Boost has been found to be safe and non-irritating for contact lens wearers.

Can Rodan + Fields Lash Boost be used on the lower lash line?

Do not use on the lower lash line. Applying Rodan + Fields Lash Boost on both the upper and lower lashes could lead to irritation in the eye area.

Can I use Rodan + Fields Lash Boost if I have eyelash extensions?

Rodan + Fields Lash Boost was designed for use on natural lashes. We do not recommend using it with eyelash extensions.

Can Rodan + Fields Lash Boost also be used on my eyebrows?

Rodan + Fields Lash Boost can be applied to eyebrows to help them appear healthier looking and more beautiful. Apply Rodan + Fields Lash Boost nightly to clean and dry eyebrows. Do not wash your face after you apply Rodan + Fields Lash Boost to your eyebrows.

Will applying Rodan + Fields Lash Boost more frequently deliver faster results?

Rodan + Fields Lash Boost will give your eyelashes a fuller and longer-looking appearance with just once a day application. No additional applications are necessary. We do not recommend using the product more than once a day, as overuse may lead to irritation.

R + F Lash Boost
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