The Ash Brown Hair Phenomenon: A TikTok Trend Under Scrutiny
Scrolling through TikTok reveals one dominant hair colour trend that has captivated celebrities and influencers alike: ash brown. This smoky brunette shade, popularised by global stars like Dua Lipa and Hailey Bieber, features cool, greyish undertones and a matte finish that exudes a distinctly modern, almost futuristic aesthetic.
Salon Statistics Confirm the Trend's Popularity
According to Annabelle Taurua, a respected beauty expert at Fresha, ash brown currently represents the single most-requested hair colour in salons across the country. The trend's visual appeal on social media platforms like Instagram is undeniable, with its lack of brassiness and striking matte finish creating an illusion of luxury and sophistication.
However, Taurua cautions that real-life results frequently diverge dramatically from these carefully curated online images. The fundamental issue lies in how ash tones interact with natural and artificial lighting. "Ash tones absorb light rather than reflect it," Taurua explains, "resulting in a colour that often appears flat and sometimes outright dull in everyday environments. This reality rarely matches the transformative promise of those viral inspiration videos."
The Science Behind Hair Colour and Light Reflection
Unlike warmer shades such as golds, coppers, and caramels, which bounce light to create natural shine and dimension, ash tones perform the opposite function. Consequently, while warm hair maintains a glossy, vibrant appearance even under harsh office fluorescents, cool-toned ash brown frequently looks lacklustre and one-dimensional.
This doesn't mean the shade is universally unflattering, but it certainly possesses far less versatility than TikTok's algorithm might suggest. "It is not a hard and fast rule," Taurua clarifies, "but generally, individuals with predominantly cool-toned complexions find ash shades more forgiving than those with warmer skin. For anyone possessing golden or olive undertones, applying straight ash brown from root to tip can create a washed-out, almost sickly appearance."
The Critical Mistake in Application Technique
The most significant error people make isn't necessarily choosing ash brown itself, but rather how they request it from their colourist. "What people perceive as one uniform shade across a full head of hair typically involves three or four different tones working in harmony," Taurua elaborates. "That sophisticated combination is what generates movement and depth. If you desire ash brown, the worst approach is applying a single shade uniformly. You absolutely require variation to avoid that flat, lifeless look once you leave the salon and encounter normal lighting conditions."
Professional Alternatives and Celebrity Secrets
So what should clients ask for instead? Taurua recommends avoiding block colour applications entirely. Incorporating strategic highlights, lowlights, or softer face-framing pieces can effectively break up the tone and reintroduce the movement that filters create artificially. This nuanced approach mirrors how celebrities actually wear the look: what appears to be a single shade on stars like Dua Lipa and Lily-Rose Depp is usually a meticulously blended combination of tones designed to prevent the colour from washing them out.
Ultimately, the key lesson—applicable to virtually all beauty trends—is refusing to accept TikTok's word as definitive gospel. "Consult a skilled colourist," Taurua advises, "who will properly assess your skin tone, natural base colour, and the lighting environments you actually inhabit before formulating that ash brown shade. Your hair colour decisions should be grounded in your unique complexion, not dictated by whatever happens to be trending on your social media feed this week."
