Vegamour Hair Serum: GRO vs GRO Advanced, the Clear Winner

Vegamour GRO and GRO Advanced share the same plant-powered philosophy but differ in strength and price. We compared them head to head to find the right pick for your stage of thinning.
| Factor | Vegamour GRO Hair Serum | Vegamour GRO+ Advanced Hair Serum |
|---|---|---|
| Price | Check price | Check price |
| Formula strength | Classic phytoactive blend | Concentrated plus hemp |
| Best for | Early thinning, maintenance | Visible thinning |
| Value packs | 3-pack available | 3-pack available |
| Rating | 4.2 stars, 5,000+ ratings | 4.3 stars, strong reviews |
Our Verdict
GRO Advanced wins for anyone with clearly visible thinning. Its concentrated phytoactives plus hemp give you the strongest plant-based formula Vegamour makes, and user ratings are slightly higher. Original GRO wins for early thinning and maintenance, where its lower price and proven track record make more sense. Do not pay the Advanced premium if your thinning is mild. Match the tier to your situation: GRO for prevention and early signs, GRO Advanced for established thinning. Whichever you choose, buy enough for four months upfront, apply daily to the scalp, and track with monthly photos before judging.
More Top Picks in This Category
Not sold on either of these two? Here are more bestselling options worth considering.

Best for: Committed users covering the full 4-6 month course.
Vegamour GRO+ Advanced Hair Serum 3-Pack
- Three bottles of GRO+ Advanced
- Covers the full results timeline
- Best per-bottle value
- Uninterrupted routine
Pros
- No gaps in the routine
- Lowest cost per bottle
Cons
- Large upfront investment
- Only for committed users

Best for: Long-term maintenance with the classic formula.
Vegamour GRO Hair Serum 3-Pack
- Three bottles of original GRO
- Three months of daily use
- Phytoactive density support
- Vegan and cruelty-free
Pros
- Routine never breaks
- Better value than singles
Cons
- Big upfront cost
- Results still take months
Thinning or Breakage: Which Problem Do You Have
The most expensive mistake in hair growth shopping is buying a density serum for a breakage problem, so run this diagnosis before choosing between GRO and GRO Advanced. True thinning shows at the scalp: a widening part, a more visible scalp at the crown, or a shrinking ponytail circumference over months. The hairs are miniaturizing at the follicle, which is exactly what growth serums target. Breakage shows along the lengths: short flyaway pieces at the crown that are broken mid-shaft, split ends everywhere, and hair that looks thin at the ends but normal at the roots. No scalp serum fixes breakage, because the problem is mechanical and chemical damage to the existing hair, not the follicle. The pull test helps: grasp about forty hairs and tug gently. Hairs with bulbs at the root indicate shedding from the follicle, which serums address; hairs broken mid-shaft with no bulb indicate breakage, which needs protein-moisture repair, gentler handling, and trims. Many people have both, in which case the serum handles the scalp while the lengths get a separate repair routine. GRO suits early, mild thinning; GRO Advanced suits more visible thinning where the stronger formula is warranted. Our Vegamour hair serum guide covers the phytoactives and routine with help on matching formula to stage.
Using Growth Serums Under Protective Styles
Protective styles and daily growth serums seem incompatible, but the combination works with the right technique, and no guide covers it. The challenge is access: braids, twists, and weaves cover the scalp, so the dropper cannot reach it normally. The solution is an applicator bottle with a nozzle tip: transfer the serum or apply directly along the exposed parts and rows, working section by section, then massage with fingertips to distribute. Frequency drops under a style: daily application becomes every other day or three times a week, which is fine, since consistency over the style's duration matters more than daily perfection. Keep the application light; heavy serum under a style that stays in for weeks causes buildup that is miserable to wash out at takedown. Wigs add a different wrinkle: apply the serum to the scalp during the hours the wig is off, ideally overnight, rather than trying to work under the unit. The six-to-eight-week maximum for protective styles still applies; longer invites traction stress that no serum counteracts. If edges are the concern, they deserve the most careful application, light and precise. The best Vegamour hair serum roundup compares the GRO picks for different thinning stages.
Workouts and Daily Serums: The Sweat Question
Daily exercisers face a specific serum dilemma: sweat, salt, and a daily treatment competing on the same scalp, and no guide addresses the routine. The order that works is workout first, then cleanse, then serum. Applying serum before a workout wastes it: sweat dilutes and carries the product off the scalp within minutes, and the salt-plus-active combination irritates freshly worked skin. The post-workout sequence is to rinse the scalp, even with water alone if a full wash is not possible, then shampoo properly on wash days, then apply the serum to the clean scalp. On non-wash workout days, a water rinse plus the serum is acceptable; the serum on a lightly rinsed scalp beats skipping the day. Dry shampoo is the complicating factor: it leaves residue that blocks serum contact, so on days you use dry shampoo, apply the serum at night after the dry shampoo has done its job, or skip the serum that day without guilt. Headbands and tight ponytails during workouts cause traction stress at the hairline that serums cannot fix, so vary the style. Our comparison of Vegamour GRO Classic versus GRO Plus lines up the formulas for choosing your daily driver.