is clinical serum best sellers

#1 Scalp Serum for Thinning Divi Scalp Serum for Thinning Hair Clinically Tested, Non-Greasy Formula with Amino Acids, Caffeine & Rosemary Oil Promotes Healthy Scalp & Fuller-Looking Hair, Reduces Oil & Product Buildup

$48 on Amazon

#2 Minoxidil for Men and ZYXN Minoxidil for Men and Women, Hair Growth Biotin Serum with Batana and Rosemary for Hair Beard Regrowth Treatments Extra Strength Hair Loss Solution, Clinically Proven to Regrow Thicker

$11.89 on Amazon

#3 Award Winning Hair Thickening Dr. Groot Award-Winning Hair Thickening Serum for Hair Loss, Korean Hair Care, Scalp Treatment, Clinically Tested, Reduces Oil, Roll On

$26 on Amazon

#4 🔥 Advanced Clinicals Vitamin Advanced Clinicals Vitamin C Face Serum 1.75 fl oz

$9.46 on Walmart

#5 🔥 🆕 PowerCycle Exosome Hair SickScience PowerCycle Exosome Hair Growth Serum - Clinically Advanced Scalp Treatment for Thinning Hair, Hair Loss Prevention & Regrowth - Lightweight Formula for Women & Men, Without Minoxidil, 60mL

$58 on Amazon

#6 Liquid Minoxidil Men Hair Regen Liquid Minoxidil Men 5% Percent - Extra Strength Advanced Topical Solution for Regrowth Serum Drops - Clinically Proven Growth Treatment for Hims Hair Loss 6 Pack as 6 Months Supply Kit

$29.95 on Amazon

#7 Retinol Skin Care Set Advanced Clinicals Retinol Skin Care Set - Value Set of Anti Aging Body Cream and Face Serum

$24.99 on Walmart

#8 Men's Hair Serum Clinically Nutrafol Men's Hair Serum, Clinically Tested to Support Visibly Thicker Hair and Scalp Coverage, Lightweight and Non-Greasy, for Daily Use - 30mL, 1 Bottle

$49 on Amazon

#9 Complete Care Skin TAG Dr. Scholl's Complete Care Skin TAG Remover, 12 Ct // Removes Skin Tags & Restores Skin's Appearance, FDA-Cleared, Clinically Proven, 12 Treatments Plus Hydrating Serum

$24.99 on Amazon

#10 Advanced Clinicals Tea Advanced Clinicals Tea Tree Oil Face Serum with Witch Hazel. 1.8 fl oz

$12.99 on Walmart

#11 One and Done Lice Treatment LADIBUGS One and Done Lice Treatment Kit - 3-Step Elimination - Comb, Mousse, Serum | Natural & Effective Head Lice & Nit Fix | Safe Removal for Kids, Family | Clinic Preferred, Nurse Approved

$34.99 on Amazon

#12 Men's Hair Growth Supplement Nutrafol Men's Hair Growth Supplement and Hair Serum, Clinically Tested for Visible Thickness and Strength - 1 Month Supply, 1.7 Fl Oz Bottle

$157 on Amazon

#13 Nutrafol Men's Hair Serum Nutrafol Men's Hair Serum, Clinically Tested to Support Visibly Thicker Hair and Scalp Coverage, Lightweight and Non-Greasy, for Daily Use - 50mL, 1 Bottle

$69 on Walmart

#14 🔥 Scalp Serum | Scalp Itch CalmScalp Scalp Serum | Scalp Itch Relief | Scalp Treatment | Exfoliates Scales and Hairline Flakes | Clinically Proven | Made in USA | 4 oz

$14.99 on Amazon

#15 3 in 1 Animal Clinical AICHOSE 3-in-1 Animal Clinical Refractometer, Measuring Animal's Health Index of Urine Specific Gravity and Serum Protein, Ideal for Veterinary and Pet Owner

$21.99 on Amazon

#16 Follicle Fortifying Lash NULASTIN Follicle Fortifying Lash Serum - Clinically Tested Eyelash Enhancing Serum - Nourishes & Repairs to Promote Longer-Looking Lashes - Enriched with Hair-Strengthening Ingredients (0.1 Fl Oz)

$84 on Amazon

#17 Extra Strength Minoxidil Keeps Extra Strength Minoxidil for Men - 5% Minoxidil Hair Growth Serum - Hair Loss & Regrowth Treatment for Thinning & Bald Spots - Clinically Proven Hair Growth Products - Unscented Topical Solution

$36.49 on Amazon

#18 🔥 🆕 Obagi Clinical Vitamin Obagi Clinical Vitamin C + Arbutin Skin Brightening Facial Serum, 1 fl. oz.

$29.95 on Walmart

#19 🔥 Youth Serum 1 oz iS Clinical Youth Serum 1 oz

$110.95 on Walmart

#20 Pet Dog & Cat Refractometer V Resourcing V·RESOURCING Pet Dog & Cat Refractometer,V-Resourcing Pet Urine Specific Gravity (1.000~1.060) Clinical Refractometer with Serum or Plasma Protein Test (2~14 g/100ml) for Veterinary Cat,Dog, Pets

$15.99 on Amazon