Beauty trends
Sep 30, 2026HairTikTokSteady

Hair Growth Serum on TikTok: What People Are Saying

Scalp-serum routines dominate, but condition-specific answers and texture clarity are under-served; brand comparisons and simple how-tos win the scroll.

Last 4 weeks

-13%

Google searches vs 20 Jul to 1 Sep

Total social media mentions

~420K

TikTok, last 12 months

Views

~180M

on posts about this trend

Best post this month

160K

views · watch it ↗

Search, last 12 months

What people post about

Condition-specific causes14% of posts1.9% averageOpeningExample ↗
Texture and finish12% of posts1.9% averageOpeningExample ↗
Routine and timing31% of posts1.9% averageProvenExample ↗
Clinical claims15% of posts1.9% averageProvenExample ↗
Brand comparisons6% of posts2.8% above averageProvenExample ↗
Internal factors3% of posts1.7% averageEmergingExample ↗
Applicator methods10% of posts0.7% below averageSkipExample ↗
Active ingredients9% of posts1.6% below averageSkipExample ↗

Opening engages well, few people post it. Proven engages and reaches. Emerging only a few posts so far, too early to judge. Crowded lots of posts, weak engagement. Skip low on both. Engagement = median rate, this trend averages 1.8%.

Post this

Three ideas built from the angles, formats and hooks that work for this trend.

1

Dupe or Different Serum Showdown

Carousel slides compare price, size, dropper vs brush, dry-down videos, and who each suits; end with simple choose-this-if summary.

Slideshow or carouselBold Claim hookBrand comparisons
Example TikTok post by @thefavoritebrandySee an example · 280K views ↗
2

The 30-Second Serum Routine

Start with timer, part lines, apply measured drops, 30-second massage, show non-greasy roots in bright light, finish with simple weekly wash-day calendar.

Voiceover with b-rollDemonstration hookRoutine and timing
Example TikTok post by @marusya_bochikalovaSee an example · 1.7M views ↗
3

Will It Dry Clear on Edges

Mini vlog testing three serums on edges, film dry-down in natural light, slick-back wear test, brush-out, and close-up residue check.

Vlog or day in the lifeCuriosity hookTexture and finish

How to post it

Talking head dominates at 43% of posts.

Talking head43% of posts · 1.9% ER
Most used
TikTok post by @sofiahairhealth: Welcome to @Kérastase 101 ❤️✍️TikTok post by @abbeyyung: Here are my top 5 recommendations for scalp serums that I am officially adding to The…
Tutorial or demo28% of posts · 1.8% ER
TikTok post by @garbo.zhu: No more balding baddies @Kérastase Genesis serum 💗TikTok post by @alex_centomo: A few weeks ago, I shared that I started my @Kérastase Genesis journey and WOW the…
Product showcase or unboxing8% of posts · 1.8% ER
TikTok post by @xreebxx: @Kérastase @The Ordinary @L’Oréal ParisTikTok post by @re.s110: Hair growth serums review 😍🎀 #haircare #hairserum #hairgrowth #fypp #kerastase @The…

Do more of this

  • Demonstration hook2.8%3% of posts
  • Bold Claim hook2.3%5% of posts
  • Voiceover with b-roll2.2%2% of posts

Skip this

  • Transformation Promise hook1.6%16% of posts
  • Question hook1.6%16% of posts

Median engagement rate; this trend averages 1.8%.

Posts to learn from

The posts that beat this trend's engagement, and how they were made.

Talking headCautionary Warning hook
Product showcase or unboxingRelatability hook
Talking headRelatability hook
Talking headBold Claim hook
Tutorial or demoBold Claim hook
Tutorial or demoRelatability hook

Who to work with

user2228853100303user2228853100303@user222885310030325MviewsKARINAKARINA@simplyforyouxo22MviewsSofia Sevilla 💖Sofia Sevilla 💖@sofiahairhealth13Mviewsdejangarzhairstylistdejangarzhairstylist@dejangarz8.7MviewsAbbey YungAbbey Yung@abbeyyung8.6Mviews

Brands in the conversation

What people ask

How to use it19

  • How did you grow back your hair so quick?
  • How do you keep your hair growing so thick?
  • What is the secret to growing your hair?

Does it work18

  • So why in the heck do you think that you can spray something on the ends of your hair to get growth from the scalp?
  • I want to know if anybody else is sprouting new growth from this serum
  • Can a hair growth serum give you these results?

Comparisons13

  • Which hair loss serum is best for you?
  • Which hair serum do you swear by?
  • What is the best product for hair loss?

Timeline and results3

  • How much can change in 3 months?
  • How is the Divi Scalp & Hair Health serum doing?
  • Shedding season?

What is it3

  • Is Aminexil for hair?
  • So many people don't even realize that hair growth actually has to start with a healthy scalp, which is why these little bristles are so important?
  • What does this do

Safety and side effects3

  • But what if you want hair growth but you have irritated scalp?
  • Is it going to make my hair...?
  • Yo, please be mindful what hair growth product you putting on your hair?

Searched on Google

Do any hair growth serums really work?

TikTok posts show creators making clinical efficacy claims and sharing timelines, while viewers report mixed experiences; content centers on routines, wellness explainers, demos and dupe tests, without a reported consensus that any serum reliably works.

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