Autumn 2025 Hair Trends: What Instagram Hashtags Reveal

Harriet Wells
6 days ago
2 min read

When it comes to predicting what clients want, there’s no better barometer than Instagram. With millions of users sharing their hair transformations daily, the platform gives us real-time insight into the styles, colours, and vibes dominating salon chairs this autumn.

We’ve analysed the most popular hair-related hashtags on Instagram as of July 2025 to bring you the definitive trends for Autumn 2025 - backed by real data.

1. #CurtainBangs | 2.3M Posts (and Rising)

Curtain bangs continue to be the most hashtagged fringe trend, with over 2.3 million posts globally. This versatile, face-framing look suits a range of lengths and textures, making it an easy upsell for stylists this season.Usage is up 12% compared to July 2024, showing staying power and client demand.

2. #CopperHair | 1.7M Posts

The warm, autumn-ready copper trend is hotter than ever on Instagram, with hashtags like #CopperHair and #CopperBalayage seeing over 1.7 million posts combined. Searches and hashtags for copper tones are up 18% YoY, with Gen Z driving much of the buzz thanks to its bold yet wearable finish.

3. #BluntBob | 810K Posts

The classic blunt bob remains a sleek favourite, with over 810,000 posts showcasing variations from chin-length to collarbone grazing. On Instagram Reels, tutorials on maintaining a sharp bob have seen a surge, reflecting the style’s ongoing popularity as clients head into cooler months.

4. #MessyUpdo | 490K Posts

Occasion hair has taken a relaxed turn, with #MessyUpdo surpassing 490,000 posts, driven by weddings, parties, and proms opting for effortless chic. Combine with tags like #UndoneHair and #TexturedUpdo, and the total climbs even higher... a key opportunity for stylists like me offering event hair services.

5. #ShagHaircut | 1.1M Posts

The layered, lived-in shag remains a global hit, with over 1.1 million posts under #ShagHaircut and its variants. Particularly popular among clients looking for movement and low-maintenance styling, the hashtag has grown 9% since spring 2025.

6. #HealthyHair | 4.8M Posts

And finally, it’s not just about style; clients care about hair health more than ever. The hashtag #HealthyHair tops the chart with over 4.8 million posts, up nearly 20% YoY. Expect increased demand for bond-repair treatments, gloss services, and at-home care products.

Why Instagram Hashtags Matter

Instagram hashtags are more than just vanity metrics... they reflect client aspirations, trends bubbling up from influencers, and what people actually ask for when they sit in the chair. Stylists who tune into these real-time trends are better equipped to guide clients, suggest seasonal updates, and create share-worthy results of their own.