Who is Nina Castanheira?

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Nina Castanheira: A Vibrant Voice in Brazilian Lifestyle and Beauty Content

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Nina Castanheira is a Brazilian lifestyle and beauty content creator known for her authentic storytelling, humorous presence, and deeply relatable content. Born and raised in Brazil, she connects naturally with her Portuguese-speaking audience through content that feels personal and unscripted. From emotional reunions to everyday outfit routines, Nina brings a genuine warmth to her videos that resonates with a young, digitally native audience. Her personality-first approach makes her one of the most endearing voices in the Brazilian creator space.

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She gained major visibility as a member of Like House, a collective of Brazilian influencers that helped her expand her digital reach. Through this collaboration, Nina was able to engage in high-visibility content projects while deepening relationships with fellow creators. Her content blends personal moments with high-engagement themes like beauty, fashion, and friendship. This combination has helped her grow a loyal following across TikTok, Instagram, and previously, YouTube.

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Nina is also an entrepreneur and the founder of HELLOO, a personal brand that reflects her casual, expressive style. The brand gives her audience another touchpoint to connect with her lifestyle and aesthetics beyond digital content. Whether she’s filming GRWMs, fun challenges, or lighthearted skincare videos, Nina integrates her brand in a way that feels organic. She’s a clear example of a creator successfully merging content with commerce.

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Above all, Nina thrives on community and emotion. Her strongest posts are often those that reveal vulnerability — like reuniting with friends or sharing behind-the-scenes snapshots of her day. She’s not driven by perfection or virality, but by connection and creativity. In an industry where trends change fast, Nina stands out by staying true to her voice and showing up consistently for her audience.

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An Influencer Active on Social Media

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Her TikTok account is the clear frontrunner with over 3.2 million followers, where she’s recognized for her casual, day-in-the-life vlogs and beauty content with a humorous edge. Instagram follows suit as her visual playground for heartfelt reels and outfit inspiration. While her YouTube, once active, hasn’t been updated in three years, it shows past experimentation with longer-form content and hints at a creator open to new media formats.

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Nina Castanheira's Social Media Strategy Analysis

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TikTok: Her Main Stage for Personality-Driven Lifestyle Content

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Nina’s TikTok is the heart of her digital presence, where her 3.2 million followers tune in for lighthearted yet relatable content. Her videos showcase moments from her everyday life, including beach days, drink-making with friends, and beauty routines. These clips are never overly produced — they rely on her authentic delivery and playful charm. This raw, down-to-earth style resonates with her young Brazilian audience who value realness over aesthetics.

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She posts consistently — nearly four times a week — and always at the same early-morning time (2PM), tapping into the first-wave scroll behavior of her followers. Despite her massive following, her content stays intimate and unpretentious, which gives her an edge in an oversaturated TikTok ecosystem. Whether she’s showing off her favorite looks or sharing moments with her friends, Nina maintains an effortless vibe that’s become her signature. Her fans aren’t just there for trends — they’re there for her.

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Even though her TikTok engagement rate sits at 0.04%, her most popular posts regularly surpass 100K views, with some nearing 170K — proof that her reach remains potent. Her focus is less on chasing algorithmic highs and more on showing up with familiar, personal content. This consistency has earned her strong community loyalty, even if she’s not considered a high-growth account at the moment. Nina leverages this trust to drive soft influence rather than loud virality.

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Brands looking to partner with Nina on TikTok benefit from her casual tone and high-frequency posting. She provides an excellent platform for sponsored posts that don’t feel forced — particularly in beauty, wellness, and fashion. Her audience responds well to creators who integrate products naturally into their daily routines. TikTok is where Nina balances playfulness with influence, and it continues to be her most active and engaging channel.

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• Username: @ninacastanheira
• Influence Score: 81.2/100
• Followers: 3.2M
• Activity: 3.9 videos/week
• Engagement Rate: 0.04%
• Growth: 0%
• Average Engagement: 1.2K
• Posting Habits: Every day at 2 PM EST

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Instagram: Storytelling Through Emotion, Fashion, and Friendship

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Nina’s Instagram strategy is grounded in emotional storytelling paired with strong visual style. With over 248K followers, her profile is a space where she shares intimate moments — from reunions with close friends to life updates on the street or at home. Her Reels often go viral not because they’re trendy, but because they feel deeply personal. She leans into raw, real-life emotions, which makes her content highly shareable.

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What stands out on Instagram is Nina’s ability to pair aesthetic visuals with heartfelt messages. A video of her hugging her best friend, for example, racked up nearly 350K views and over 27K likes. Another reel, walking through a sunlit street in a long dress, surpassed 795K views — reflecting both visual appeal and emotional resonance. This mix of elegance and relatability sets her apart from fashion influencers who only focus on style.

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Her Instagram content cadence is steady — about 10 posts per month, usually twice a week in the early morning. While her engagement rate (0.37%) may appear modest, the absolute numbers show solid interaction, especially in emotional posts. Her audience connects with her consistency and her narrative-focused captions. Nina is especially effective on Instagram when it comes to driving brand storytelling and longer-term connection.

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Brands that want to tap into values like friendship, beauty, and authenticity will find Nina’s Instagram to be a perfect match. Her storytelling format provides a more immersive and emotionally engaging backdrop for sponsored campaigns. Instead of hard selling, Nina’s Instagram offers space for soft product placement, personal reflections, and visual brand alignment. This platform allows her to go deeper with her community while staying true to her voice.

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• Username: @ninacastanheira_
• Influence Score: 76.8/100
• Followers: 248.3K
• Activity: 10 posts/month
• Engagement Rate: 0.37%
• Growth: -0.03%
• Average Engagement: 919
• Posting Habits: Twice a week at 6 PM EST

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YouTube: A Dormant Channel with Legacy Value

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Nina’s YouTube (@ninacastanheira6932) hasn’t seen new content in three years, but her 109K subscribers and 52 posted videos still offer value. The channel represents a time when she experimented with longer-form storytelling and aimed to shift her TikTok fame into a broader content strategy. Her banner tagline even reads, “Uma Tik Toker tentando virar YouTuber,” capturing her past intentions to expand. While inactive, the platform adds depth to her brand’s history.

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The content once published there gave followers a more expansive view into Nina’s world — likely including vlogs, sit-down chats, or extended challenges. YouTube served as a way to deepen her connection with core fans who wanted more than short-form snippets. The platform didn’t quite evolve the way her TikTok or Instagram did, but it hinted at her versatility. Nina was willing to try new formats and explore a more narrative approach.

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• Username: @ninacastanheira6932
• Influence Score: 19.1/100
• Followers: 109K
• Activity: 0 videos/month
• Engagement Rate: 0%
• Growth: 0%
• Average Engagement: 0
• Posting Habits: Once a year at 8 PM EST

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Nina Castanheira's Social Media Influence Summary

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Nina Castanheira ranks in the top 9% of TikTok creators in Brazil and the top 4% in the Outfits & Styling category, solidifying her as a niche lifestyle influencer with strong authority in fashion-focused content.

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Learn more about the Favikon Methodology here

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Content Strategy: Casual Consistency & Relatable Storytelling

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Nina’s content is driven by casual authenticity. There’s little performative glamor — instead, she chooses stories about real friendships, outfit routines, and emotional moments. Whether it's a playful TikTok with her friends or a heartfelt reel about reuniting after months, she fosters trust through emotional accessibility.

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Reachability & Partnerships

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Nina Castanheira is very accessible for partnerships, particularly in the beauty and fashion sectors. She’s worked with brands like HELLOO (her own brand), STUDIO PEDRO ZAIKOSKI, and Farmácias São João, tagging them multiple times. Her content is marked “Safe” by brand safety metrics, and she fits perfectly into youth-oriented campaigns in Brazil.

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With her high posting frequency and a loyal fanbase, she's an ideal candidate for product reviews, sponsored posts, and lifestyle collaborations. Her creator network includes other mid-tier Brazilian influencers like Gabih Machado and Tata Dutra, expanding her influence in the local fashion scene.

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Concluison: Nina Castanheira Is a Quiet Powerhouse in Brazilian Lifestyle Content

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Nina Castanheira might not be chasing viral fame, but her power lies in consistency, emotion, and relatability. She’s a creator who stays true to her voice — whether she's talking about her skincare routine or hugging her best friend after a long time apart.

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View the AI-powered profile

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