Keratin Bonds vs Tape-In Extensions

Two methods, both professional, both natural-looking — but they suit different hair types, lifestyles and budgets. Here's an honest, side-by-side comparison from sisters who've fitted hundreds of both.

The at-a-glance comparison

Feature	Keratin Bonds	Tape-Ins
How it's applied	Individual strands heat-fused to your natural hair with a tiny keratin tip	Pre-taped wefts sandwiched close to the root, panel by panel
Application time	2–4 hours (depending on volume)	1–2 hours
How long it lasts	3–6 months before removal and refit	6–8 weeks between refits; hair reusable for 9–12 months
Best for hair type	Fine to medium; straight to wavy	Most hair types; especially good for adding volume
Visibility	Almost invisible — micro-bonds sit close to scalp	Flat to scalp; less discreet on very fine hair
Maintenance	Brush mid-lengths down; avoid heavy oils near bonds; book refit at 3–6 months	Refit every 6–8 weeks; move-up as natural hair grows
Reusable?	No — fresh hair each cycle	Yes — same wefts re-taped at each refit
Removal	Professional heat + bond remover (do not DIY)	Professional adhesive remover (do not DIY)
Cost per session	£££ — higher upfront, fewer appointments	££ — lower upfront, more appointments
Best for	Maximum length & movement; minimum maintenance; finer hair	Volume quickly; flexible styling; tighter budget

Choose keratin bonds if…

You want a long-lasting result with minimal day-to-day fuss
Your hair is fine, thin or short and you need a discreet finish
You're going for major length (10+ inches)
You don't want maintenance appointments more than twice a year
You want the hair to behave like your own — wash, sleep, swim normally

Read the full keratin bond guide →

Choose tape-ins if…

You want volume and length in a single appointment
You like to change your look seasonally (easier to remove)
Your hair is medium to thick and can hide the tape panels
You want lower upfront cost and are happy to maintain every 6–8 weeks
You want hair you can re-use across multiple refits

Read the full tape-in guide →

What we actually recommend (and why)

After fitting both methods hundreds of times, here's the honest truth: there's no universally "better" method. The right choice depends on your hair, your lifestyle, and your goals. That's why every new client at Sisters' starts with a free consultation — so we can look at your hair and recommend the method that will look best on you, not push the one we prefer to fit.

Most of our keratin bond clients come back for repeat fittings (which is why we get so many referral bookings). Most tape-in clients keep the same hair for 9–12 months with regular refits. Both methods work — the question is which one fits you.

Frequently asked about keratin vs tape-ins

Keratin bonds vs tape-ins — which lasts longer?
Keratin bonds last 3–6 months before needing removal and refitting; tape-ins are typically maintained every 6–8 weeks and the hair itself can be reused for up to 12 months. If you want fewer appointments, choose keratin. If you want flexibility and lower upfront cost, choose tape-ins.
Which is better for fine hair?
Keratin bonds — small individual bonds are less visible on fine hair and distribute weight evenly. Tape-ins can show through if your hair is very fine or thin at the roots.
Can I switch from tape-ins to keratin bonds?
Yes, but wait until your hair has fully recovered from the previous method (usually 4–8 weeks). We assess your natural hair at consultation before recommending the new method.
Which is more expensive?
Keratin bonds have a higher upfront cost because each bond is applied individually (2–4 hour appointment). Tape-ins are cheaper upfront but have more frequent maintenance visits, so total annual cost is comparable.
Do keratin bonds or tape-ins damage hair more?
Neither damages hair when applied and maintained by a certified specialist. Keratin bonds require heat for removal (done professionally). Tape-ins require careful adhesive removal. We assess your hair before either method.