KOL vs influencer: a KOL (key opinion leader) is a person people trust on one topic, such as a doctor, a chef or a music teacher. An influencer is a person whose followers like their life, style or humor. A KOC (key opinion consumer) is a normal customer who shares an honest review. Each one fits a different goal.
This guide is for small brand owners, shop and clinic owners, and artist managers in Thailand who hear these three words in every meeting. It is also for singers, actors and creators who get messages from brands and want to understand what the brand is looking for. You do not need any marketing background to use it, and every step works if you do it all yourself.
What is a KOL?
KOL means key opinion leader. People listen to a KOL because of what the person knows or what the person has done. A skin doctor who talks about skin care is a KOL. A guitar teacher who tests guitars, or a chef who reviews kitchen tools, is also a KOL. The account can be small or large. What matters is that people trust this person on this one topic.
Some people in Thailand use the word KOL for any person a brand pays to post. So when an agency or a brand says “KOL”, it helps to ask what they mean. The answer tells you what kind of person they want and what they plan to pay for.
What is an influencer, and what is a KOC?
An influencer is a person with followers who watch their daily life, their style or their humor. People often follow an influencer because they like the person, more than because of one topic. That is why an influencer can talk about many kinds of products, from food to fashion to travel. People often group influencers by size, with names such as nano, micro and macro. These names are only guides, and different agencies use different numbers.
KOC means key opinion consumer. A KOC is a normal customer who bought the product and shares what they think. Their accounts are usually small. Other buyers trust them because they are people like themselves, and because the review sounds like a real experience.
The three words can overlap. A singer can be an influencer for fashion and a KOL for microphones. A KOC can grow and become an influencer. The most useful thing to know is why people listen to this person.
KOL vs influencer vs KOC: which one fits your goal?
This table shows how the three types usually fit common goals. It is a guide based on how each type works, so test it with your own product and your own buyers.
| Type | Why people listen | Usually fits this goal | What to measure |
|---|---|---|---|
| KOL | Knowledge or experience on one topic | Trust, for products where people need advice (health, beauty, music gear, education) | Comments with questions, saves, clicks to your page |
| Influencer | People like the person and their style | Many people learn your name (awareness), new launches, events | Views, reach, new followers on your own account |
| KOC | A normal buyer shares a real experience | Sales, and reviews that new buyers read before they decide | Sales, use of a discount code, reviews on your page |
How to choose between a KOL and an influencer, step by step
1. Write one goal
Write one sentence: “We want more people to know our name”, “We want people to trust our product”, or “We want more sales this month”. One goal makes every next step easier, and it tells you which row of the table to start from.
2. Describe your buyer
Write who buys from you: age, city, what they like, and which apps they use. Then look for people that your buyer already follows. You can ask your own customers which accounts they watch.
3. Look at the account, not only the follower number
Open the last ten posts. Look at the views on each post, and read the comments. Good signs are comments from people who sound like your buyers, and questions that the person answers. TikTok says that follower count is not a direct factor when it recommends videos, so recent views tell you more about who will see a post today.
4. Check earlier brand work
Look for posts that the person made with other brands. Check that they are marked as paid, and read how fans reacted. A person who works with many brands in the same month may have less trust for each one.
5. Agree on what you will measure
Before the post goes up, agree on the numbers you will look at, for example views, clicks or sales with a code. Ask the person to send a screenshot of their own insights after seven days. Then you can compare people in a fair way.
6. Start small and compare
A good way to start is with two or three people of different types. Then you compare the results. You learn which type works for your product before you spend a larger budget. TikTok also has its own platform for this, called TikTok One, which TikTok calls the official place for brands and creators to work together.
Paid posts must be marked on every platform
This part is the same for a KOL, an influencer and a KOC. When a brand gives something for a post, the post must show that it is paid work. Each platform has its own tool for this.
- Instagram: the Paid Partnership label. Instagram says that anything received from business partners counts, money or otherwise. A free product or a free trip counts too.
- TikTok: the commercial content disclosure setting. TikTok says you must turn it on when a post promotes a brand, a product or a service. TikTok also says that its own 2023 study of nearly 2 million videos found no difference in how marked videos perform.
- YouTube: the paid promotion option in the video details in YouTube Studio. YouTube says that the creator and the brand are both responsible for following the law where they are.
Put this in your agreement with the person, so both sides know it from the start.
If you do not want to wait, you can see our work on your own account first, with a free trial. Start the free trial
Ways to work with KOLs and influencers compared
| Way | Cost | Speed | What you do | Good for |
|---|---|---|---|---|
| Contact people yourself | Only what you pay each person | Some weeks | Find accounts, send messages, agree on the work | Small budgets and local brands |
| TikTok One (TikTok’s own platform) | Depends on the people you choose | Some weeks | Search for creators, send a brief, follow the results in one place | Brands that work mostly on TikTok |
| Ask your own customers to share (KOC) | Often a product or a small gift, which must also be marked as paid | Slow, it grows with your sales | Ask happy customers, make sharing easy | Trust and reviews from real buyers |
| An agency that chooses and runs the work | The agency fee and the fee for each person | Fast to start | Agree on a goal and a budget | Brands without time to manage many people |
We want to be clear about what we do. We do not find KOLs or influencers for brands, and we do not run brand campaigns. We help artists and public figures with their own accounts. If that is you, our page on social media services for artists and public figures explains what we do.
Common mistakes when brands choose a KOL or an influencer
- Choosing by follower number only. What usually helps instead: look at recent views and read the comments on the last ten posts.
- No written goal. What usually helps instead: write one goal before you contact anyone, and choose the type from the table.
- Forgetting the paid label. What usually helps instead: write in the agreement which label the person will use on each platform.
- Judging after one post. What usually helps instead: plan two or three posts per person, and compare the numbers after a week.
Questions about KOLs, influencers and KOCs
What is KOL marketing?
KOL marketing means that a brand works with people who are trusted on one topic, such as doctors, teachers or experts in a hobby. The KOL explains or tests the product in their own words. It often fits best for products where buyers want advice before they decide.
What is influencer marketing?
Influencer marketing means that a brand pays or gives products to people with followers, so they show the product in their posts. It is often used when a brand wants many people to learn its name. Every paid post must be marked with the platform’s own label.
Is a KOL more expensive than an influencer?
It depends on the person, the work and how long you can use the post. A KOL with a small account can cost more than an influencer with a large one, and the opposite can also be true. Ask each person for a written price for the same work, then compare.
Do I need to mark a post if I only gave a free product?
Yes. Instagram says that anything received from a business partner counts, money or otherwise. TikTok asks creators to turn on its disclosure setting whenever a post promotes a brand, a product or a service. So a free product counts too.
Can an artist be a KOL?
Yes. A singer who talks about voice care or a guitarist who tests guitars is a KOL for that topic. The same artist can be an influencer for clothes or food. It helps to know which role a brand asks for, because the work and the price are different.
If you are an artist and you want your own account to grow first, our guide on how to get more Instagram followers yourself has free steps you can start today. You are always welcome to ask us anything on LINE.
The shortcut: see it work on your own account first
Everything in this guide works, and it costs nothing. It also takes time, and that is completely normal.
If you want your account to look established sooner, we can help on TikTok, Instagram, Facebook and YouTube. The published rules of these platforms do not allow paid followers, likes or views, so we want you to know this before you decide. Nobody logs in to your account, and your order is private and confidential.
Try it first: our free trial is a small order on your own account, with no card and no password.
Sources
- Instagram for Creators, Frequently asked questions: creators.instagram.com/faq
- TikTok Ads Help, About the commercial content disclosure setting for creators: ads.tiktok.com/help/article/about-the-content-disclosure-setting-for-creators
- YouTube Help, Add paid product placements, sponsorships and endorsements: support.google.com/youtube/answer/154235
- TikTok for Business, TikTok One: ads.tiktok.com/business/en-US/blog/tiktok-one-creative-platform
- TikTok Newsroom, How TikTok recommends videos #ForYou: newsroom.tiktok.com/en-us/how-tiktok-recommends-videos-for-you