Did you know that 70% of people trust peer recommendations more than traditional advertising? Social proof Meta ads act as powerful jet fuel for your ad campaign's performance, driving higher engagement, lowering CPMs, and boosting conversion rates across Facebook ad and Instagram ad platforms . In this comprehensive guide, Alvaro Berrios of Alvaro Berrios Digital walks you through why social proof matters, traditional tactics, and revolutionary new Meta features that will help your advertising soar.
Startling Facts About Social Proof in Meta Ads

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70% of people trust peer recommendations over traditional ads.
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50% of consumers visit a company website after hearing a positive review.
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Social proof significantly lowers CPMs and improves ad campaign performance.
The data clearly shows how much social proof in Facebook ad campaigns and social media advertising influences consumer behavior. When prospects see likes, comments, or shares from other users, their trust builds instantly. This trust translates into higher click-through rates and more cost-effective ad spending. For marketers looking to maximize every dollar, tapping into these social proof dynamics is essential.
What You'll Learn
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The meaning and importance of social proof Meta ads .
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Traditional ad strategies to generate authentic engagement.
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How Meta’s latest feature enhances social proof faster and more efficiently.
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Practical steps to enable and optimize this game-changing setting.
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Common misconceptions and how to avoid them.
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Expert advice from Alvaro Berrios on maximizing social proof benefits.
What Is Social Proof and Why It Matters in Meta Ads
Definition and Types of Social Proof in Advertising

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Likes, comments, and shares as visible social proof.
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Customer testimonials and reviews enhancing credibility.
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Influencer endorsements and user-generated content boosting authenticity.
Social proof in Meta ads refers to visible signs of engagement on social media, such as likes, comments, and shares, that indicate a product or service's popularity and reliability. This includes everything from Facebook likes and shares to glowing customer testimonials and influencer endorsements. Such elements serve as crowd-validated trust signals, capturing users’ attention and encouraging them to interact or convert.
How Social Proof Impacts Facebook Ad Campaigns
"Social proof acts like jet fuel for your campaign, igniting engagement and driving lower CPMs, which means cheaper leads and sales." – Alvaro Berrios, of Alvaro Berrios Digital
Alvaro Berrios emphasizes that social proof Meta ads not only grab attention but also send positive signals to Facebook’s ad algorithm, improving the effectiveness of your ad set and overall ad campaign. This results in lower cost per mille (CPM), reducing overall advertising costs and enabling businesses to generate leads and sales more efficiently. Social proof essentially amplifies ad effectiveness beyond just creative messaging.
Traditional Strategies to Build Social Proof on Facebook Ads
Using Engagement Objective to Generate Comments and Likes
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Creating engagement ads with conversion campaign mindset.
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Limitations: Engagements include likes, shares, video views, not just comments.
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Challenges in accumulating visible comments as social proof.
Historically, marketers used the engagement objective on Meta and Facebook ad campaigns to spark likes and comments, hoping to build visible social proof quickly. By running ads optimized for engagement—but designed with conversion goals in mind—businesses tried to kickstart the discussion. However, because engagement includes more than just comments (like video views and shares), actual comment counts often remained low, limiting visible social proof that truly influences new viewers.
Drawbacks of Previous Methods
Alvaro Berrios explains, "Optimizing for engagements doesn’t guarantee comments, which are the most valuable form of social proof for Meta ads."
This limitation meant many campaigns failed to accumulate the high-quality, visible social proof that makes an ad truly stand out and perform better. While likes and shares help, comments are often the strongest social trigger, providing persuasive, authentic context to potential customers.
Introducing Meta’s New Feature to Amplify Social Proof Meta Ads
How the New Social Information Setting Works
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Combines likes and reactions across multiple similar ads.
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Applies comments from one campaign to others with similar ad copy and creative.
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Enables faster accumulation of social proof across campaigns.
This innovative Meta feature allows advertisers to pool their social engagement metrics, merging likes, reactions, and comments from ads with similar ad creative across different Facebook ad campaigns and ad sets. It means instead of starting from scratch on each new ad, you leverage the cumulative social proof, rapidly elevating your credibility and capturing audience attention more effectively.
Practical Example: Supplement Company Case Study
Alvaro Berrios states, "This feature is a game-changer for small businesses struggling to build engagement quickly, as it pools social proof from similar ads across campaigns."
For example, a supplement company running two distinct campaigns—one for a pre-workout and another for recovery—can use nearly identical ad copy and imagery. Comments and likes from either campaign will now amplify each other, helping build faster social proof. Small businesses especially benefit, as they often struggle to generate authentic engagement quickly with limited budgets.

How to Enable and Use the New Social Proof Feature in Your Meta Ad Campaigns
Step-by-Step Guide to Accessing Advertising Settings
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Log into your Meta Ads Manager account.
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Click the hamburger menu and select Advertising Settings.
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Locate the Social Information section.
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Enable 'Combine likes and reactions for similar ads.'

Accessing and activating this social proof feature in your Meta ad campaign settings is straightforward but often overlooked by many social media marketers. According to Alvaro Berrios, more than 90% of marketers may not even know this setting exists. Enabling it can give your ads a significant boost and streamline the accumulation of social proof benefits.
Tips for Optimizing Ad Creative to Maximize Social Proof Benefits
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Use consistent ad creative, including ad copy and images, across your Facebook ad sets and Instagram ad campaigns to qualify for combining social engagements and maximizing social proof .
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Focus on clear, relatable messaging that naturally encourages authentic comments.
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Monitor engagement metrics regularly to tweak creative and targeting strategies.

Consistency is key. To take full advantage of this new feature, your different campaigns should share similar themes in text and visuals. This alignment ensures that combined social proof authentically resonates with all audiences targeted, fostering trust and boosting ad performance.
Benefits of Leveraging Social Proof Meta Ads for Your Advertising Campaigns
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Benefits of Social Proof Meta Ads |
Benefit |
Description |
Impact on Campaign |
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Increased Engagement |
More likes, comments, and shares create trust. |
Higher click-through rates and conversions. |
Lower CPMs |
Algorithm favors ads with social proof. |
Reduced advertising costs. |
Enhanced Credibility |
Social proof signals popularity and reliability. |
Improved brand reputation and customer loyalty. |

Common Misconceptions and Challenges with Social Proof in Meta Ads
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Misunderstanding engagement types and their value.
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Assuming all engagements equally boost ad performance.
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Difficulty in tracking which campaign generated specific comments.

Alvaro Berrios cautions, "While the new feature accelerates social proof accumulation, advertisers may not always see which campaign a comment originated from, but the overall benefit remains significant."
Despite the advantages, this new feature has trade-offs. Marketers might lose granular visibility about exactly which ad or campaign generated specific comments. However, Alvaro stresses that the overarching boost in social proof accumulation typically outweighs this drawback, delivering measurable campaign improvements.
Actionable Tips to Maximize Social Proof Meta Ads Effectiveness
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Regularly update ad creatives with consistent messaging.
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Encourage authentic comments through engaging calls-to-action.
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Leverage the new social information setting to combine engagements.
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Monitor ad set performance and adjust budgets accordingly.
People Also Ask: FAQs About Social Proof Meta Ads
How to keep social proof on Facebook ads?
Maintaining social proof on Facebook ads involves consistent engagement and strategic use of Meta’s new social information settings. Regularly update your ads with similar copy and creative to consolidate likes and comments, ensuring your social proof grows across campaigns.
What is social proof in advertising?
Social proof in advertising refers to visible indicators such as likes, comments, shares, and testimonials that signal a product or service's credibility and popularity, influencing potential customers’ trust and purchase decisions.
Is social proof legit?
Absolutely. Social proof is a well-established psychological principle backed by research showing peer influence greatly shapes consumer behavior. Meta ads that feature authentic social proof create genuine trust and drive better results.
What is the 3 2 2 method of Facebook ads?
The 3 2 2 method is a Facebook ad strategy focusing on structuring campaigns with three ad sets, two ads per set, and two objectives to optimize results. While unrelated directly to social proof, aligning it with social proof optimization can further enhance ad performance.

Key Takeaways
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Social proof significantly enhances Meta ad campaign performance on social media platforms by increasing engagement and lowering advertising costs .
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Traditional engagement objectives have limitations in generating visible comments as social proof.
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Meta’s new feature to combine likes and comments across similar ads accelerates social proof accumulation.
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Small businesses stand to benefit greatly from this new capability.
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Consistent ad creative and messaging are essential to maximize social proof benefits.
Conclusion: Harnessing Social Proof Meta Ads for Marketing Success
Alvaro Berrios concludes, "By leveraging social proof effectively, advertisers can fuel their campaigns with authentic engagement, reduce costs, and ultimately drive better business results."
In today’s competitive social media landscape, social proof Meta ads are more than just a nice-to-have—they are a strategic imperative for any successful Facebook ad or Instagram ad campaign. With Meta’s new social information feature and sound optimization techniques, marketers can build genuine trust faster and more economically than ever before.
Next Step
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Call us at 207-710-1449 for all your marketing needs.
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Let us get your business more visibility through expert Meta ad campaign management.
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