TikTok has been a key influencer in skincare trends and trends in general. From trending skincare rituals to key products in cosmetics, consumerism is fueled by content in this app. As an extension to brands, advertisements in TikTok offer an ideal way to ride this audience through trending hashtags to drive engagement and attention.
Understanding trending hashtags is key to making TikTok advertising effective. Hashtags help in content discoverability to target audiences in time. We shall discuss in this article:

  • The importance of advertisements in TikTok through hashtags
  • The top trending hashtags in January 2025 in personal care and beauty
  • How brands can take an agency to optimize campaigns by hashtags


1. The Functionality of Advertisements in Using Hashtags in TikTok

How Hashtags Refine Perception of Content

Hashtags on TikTok act as search tools to guide consumers to content in an organized manner. They achieve increased organic engagement while making content organization easier to reduce user engagement in content in user areas of concern.


The Connection Between Sponsored Ads in TikTok and Current Trends

When brands incorporate trending hashtags in paid ad promotions in TikTok, they're interacting with an audience who is actively engaging. Utilizing trending hashtags in paid ads in TikTok builds greater engagement while driving impressions.


How Brands Can Leverage Hashtags in Coordination with a TikTok Ads Agency

A TikTok agency uses data to determine which hashtags to operate in a campaign.


  • The engagement metric of certain hashtags
  • The relevance to the target audience of the brand
  • The competitiveness in auctions of advertisements


2. Top Beauty & Personal Care Trending Hashtags in January 2025

Here are the most trending beauty-related hashtags in January 2025 on TikTok:

Hashtag
Reason for Popularity

These hashtags have been trending since they have been used in influencer collaboration and user-generated content. Advertisers in TikTok utilize these hashtags in paid promotions to achieve improved results.

3. Using Hashtags to Maximize Ad Performance

Strategies for Utilizing Hashtags in Advertisements in TikTok

  • Hashtag Research: Determine hashtags with engagement and relevancy.
  • Branded Hashtags: Create unique hashtags to reaffirm presence.
  • Hashtag Challenges: Host user-generated content contests with a branded hashtag.


How a TikTok Ad Agency Determines Which Hashtags to Utilize

A TikTok Ads agency uses analytical tools to monitor hashtag performance. Their top priority is:


  • High-performing organic hashtags used in paid promotions
  • Competitive analysis related to hashtags
  • A/B testing to determine which hashtags drive conversions


The Impact of Trends in Hashtags in Times to Come

Trending hashtags put ads in front of additional views, engagement, and conversions. Utilizing trending hashtags in

TikTok Ads services optimizes campaign performance by ensuring content is in alignment with audience interests.



4. Paid vs. Organic Growth: How TikTok Ads Influence Hashtag Performance

How Paid Ads in TikTok Enrich Hashtag Discovery

Paid TikTok promotions push trending and branded hashtags to audiences. Impressions can be augmented by combining paid promotions with organically achieved reach.


Case Studies: Viral Ads On TikTok Using Successful Hashtags

Case Study 1: E.l.f. Cosmetics – #EyesLipsFace

E.l.f. Cosmetics produced the most viral content during this time on TikTok with the #EyesLipsFace challenge. This campaign generated views valued at 4 billion and user-generated content valued at 5 million in weeks.


Why it succeeded:

  • Used organic plus paid TikTok Ads to gain maximum impressions.
  • Partnered with brands to gain increased engagement.
  • Created a viral song to go viral.
  • Source: Marketing Dive

Case Study 2: NYX Professional Makeup – #ButterGlossPop

NYX ran an ad campaign on TikTok to promote its Butter Gloss lipstick with #ButterGlossPop. It was viewed by 42 million users and was 14% more engaging than traditional beauty commercials.


Why it succeeded:

  • Used a mix between trending hashtags and branded hashtags.
  • Combined influencer content with paid promotions in TikTok.
  • Created a challenge to encourage user participation.

Source: Business in TikTok



Why Brands Collaborate with an Agency to Maximize Hashtag Optimization

A TikTok agency helps brands in:


  • Running paid campaigns to get awareness about hashtags.
  • A/B testing to validate effectiveness.
  • Analyzing engagement statistics to drive performance.


5. Hashtag Strategies in Beauty & Cosmetics Brands

Creating Branded Hashtags to Encourage Community Participation

A unique branded hashtag can drive user-generated content, engagement, and brand loyalty.


Combining Popular Hashtags with Advertisements in TikTok to Maximize Their Potential

Brands should utilize popular hashtags in addition to branded hashtags to rank both in paid search results and organically.


How to Measure Performance Using Hashtags in Ad Campaigns in TikTok

  • Use TikTok Analytics to monitor impressions, clicks, and engagement.
  • Compare organic vs paid reach among different hashtags.
  • Adjust strategy to match performance trends.


Conclusion

As beauty trends in consumer care continue to evolve, leveraging the uses of TikTok hashtags is essential to effective campaign commercials. Ad agencies in TikTok have a key role to play in helping brands leverage potential hashtags to transmit messages to targeted audiences with active participation.



FAQs

1. What is to be employed in a campaign in TikTok Ads?

Trending hashtags including #GlowySkinChallenge and #TikTokMakeupHacks can power engagement in ads on TikTok.


2. How can I optimize my ad on TikTok through hashtags?

Use a combination of top-performing non-branded hashtags and top-performing branded hashtags to achieve discoverability.


3. What is an agency's part in creating an online campaign with hashtags?

A TikTok ad agency analyzes trending hashtags, tracks engagement rates, and optimizes advert promotions to get better impressions.


4. Can paid ads in TikTok make my hashtag go viral?

Yes! Paid promotions can push visibility and engagement to get an easier ride to go viral.


5. How to check the effectiveness of a hashtag campaign in ads on TikTok?

Use TikTok’s Analytics Dash to keep an eye on impressions, engagement rates, and hashtag-generated conversions.


Saeed Shaik
Saeed Shaik

Skilled in Ecommerce Strategy, TikTok Ads, Search Engine Marketing (SEM), Facebook Ads, Social Media Marketing and DoubleClick. A strategic leader who built high performance teams grounds up generating multi-million dollar revenue streams in several startups.

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