Glow School
Tanning Accelerator vs Fake Tan: What's Actually the Difference?
Same shelf, totally different products. How each one works, how long it lasts, and which one belongs in your routine.
15 July 2026 · 5 min read
They sit on the same shelf, they both promise a glow, and they are routinely confused for each other. But a tanning accelerator and a fake tan do completely different jobs — one works with the sun, the other replaces it. If you've ever bought one expecting the other, this is the breakdown you needed before checkout.
What fake tan actually does
Fake tan (self-tan) uses an active ingredient called DHA — dihydroxyacetone — which reacts with amino acids in the very top layer of dead skin cells and turns them brown. It's surface colour: no sun required, no UV involved. The colour develops over 4–8 hours, lasts around 5–10 days, and fades as your skin naturally sheds. That's the whole mechanism, which explains both its superpowers and its quirks.
- Instant-ish gratification: colour without a single minute of sun.
- It fades in patches if skin is dry, because the coloured layer sheds unevenly.
- It can transfer onto white linen, cling to knees and elbows, and yes — that biscuit smell is the DHA reaction.
- It provides no UV protection whatsoever. A fake tan plus unprotected sun is still unprotected sun.
What a tanning accelerator actually does
A tanning accelerator contains no DHA, no bronzer, no colour of any kind. The Capri Glow Accelerator is a hydration-first cream — coconut oil, shea butter, tyrosine — that you apply before sun or sunbed exposure. Its job is to condition and deeply moisturise your skin so that your own natural tan develops looking deeper and more even, and sticks around longer. Nothing is painted on; the glow that shows up is entirely yours.
- Zero colour transfer — no stained sheets, no orange palms, no streaks.
- Doubles as a body cream: skin feels silk-soft whether or not the sun comes out.
- Works with real UV only — no sun, no tan, no exceptions.
- Contains no SPF, so sunscreen goes on top, always.
Side by side
- Source of colour: fake tan dyes dead skin cells; an accelerator supports your own sun-developed colour.
- Sun required: fake tan, never; accelerator, always.
- Longevity: fake tan fades in about a week as skin sheds; a well-maintained real tan can build and last across a whole summer.
- Finish: fake tan can look flat or orange if the shade is wrong; an accelerated tan is your own tone, turned up.
- Maintenance: fake tan needs reapplication every few days plus careful exfoliation between layers; an accelerator is applied before sun sessions and doubles as after-sun hydration.
- Smell: fake tan, the famous biscuit note; Capri's accelerator comes in coconut-vanilla, mango-passionfruit or watermelon.
So which one is for you?
Choose fake tan if you need colour by Saturday, the forecast is grey, or you simply don't do sun — it's the only option that works without UV, and used well it does that job brilliantly. Choose an accelerator if you've got a holiday booked, sunbed sessions planned, or a garden and a heatwave, and you want your real glow to show up faster-looking, more even and longer-lasting. Many of our community do both across the year: bottle bronze in the off-season, accelerator from the moment the flights are booked.
Can you use both?
Yes, with a little choreography. The golden rule is that fake tan needs a clean, product-free canvas to develop evenly, while an accelerator is a rich moisturiser — so don't apply accelerator in the hours before a fresh fake tan layer. The combo that works: build your fake tan first and let it fully develop, then use the accelerator as your daily body cream in the following days. Hydrated skin sheds more evenly, which is exactly what keeps a fake tan fading gracefully instead of flaking. On holiday, most people pick one lane per trip — real glow with the accelerator, topped with SPF.
And the rest of the shelf: gradual tans and bronzers
Two more products get lumped into this conversation. Gradual tan is a body moisturiser with a low dose of DHA — same mechanism as fake tan, just weaker, building subtle colour over several days of use and fading gently. It's the low-commitment, low-streak-risk option, and it sits closer to fake tan than to an accelerator. Instant bronzers and wash-off body glows are different again: pure cosmetic colour that sits on top of the skin until your next shower, like foundation for your legs. Great for one night, gone by morning.
The quick sort: if it contains DHA, it's colouring dead skin cells. If it shimmers and washes off, it's makeup. If it does neither — like the Glow Accelerator — it's skincare that preps your own tan instead of imitating one.
Fake tan paints the glow on. An accelerator helps your own show up. Different tools — pick per trip, not per brand loyalty.
Capri glow rule: no tan is worth a burn. The Glow Accelerator contains no sun protection — SPF goes on top, every time, and gets reapplied like clockwork.
Quick answers
The tin behind the tips
Capri Glow Accelerator · £15.99
Hydrating pre-sun cream with coconut oil, shea and tyrosine. No fake tan, no streaks — just your own glow, turned up.
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