By the Biro Hair Replacement team · Published October 20, 2026 · Last updated October 20, 2026
Short answer: First-time hair system buyers most often choose the wrong size, color or density, ignore upkeep costs, pick on price alone, skip a second opinion, and cut or style the system too soon. Each of these is easy to avoid with a little preparation. This guide lists the nine biggest mistakes and what to do instead.
Most buying regrets are predictable. People who are unhappy with a first hair system rarely received a bad product. More often they ordered the wrong size, picked a color from a screen, or did not understand what daily life with a hair system involves. The good news is that you can avoid nearly all of these problems. Here are the nine mistakes we see most often at Biro Hair Replacement, the online store of Biro Hair Studio in North York, Toronto, and how to steer clear of each.
Each section below follows the same pattern: what the mistake is, why it happens, what it costs you, and the simple fix.
1. Guessing the size
The mistake: Ordering a size by eye or copying the size someone else uses.
Why it happens: Measuring feels fussy, and many sellers make it sound easy. People assume their thinning area is about the size of a standard piece.
What it costs you: A system that is too small leaves a gap of bare scalp or thin hair at the edge. One that is too large shows its edges, overlaps the hairline or bunches at the sides. Either way you may need to reorder, and custom pieces cannot be returned.
The fix: Measure the area you want to cover with a soft tape, twice, and write down the numbers. Take photos and send them for a second opinion. Follow how to measure your head for a hair system.
2. Picking the color from a screen
The mistake: Choosing a shade only from a phone or monitor.
Why it happens: It is the easiest way to shop, and most product photos look similar on a screen.
What it costs you: Screens change brightness and tone. A shade that looks right online can arrive too dark, too warm or too flat, and the join with your own hair shows.
The fix: Compare a strand of your own hair, in daylight, to the color chart, and match the back and sides rather than the temples. Decide how much gray to blend. See how to choose hair system color.
3. Choosing too much density
The mistake: Believing a thicker system always looks better.
Why it happens: People remember their hair at its fullest, and they want to get that back.
What it costs you: A system much thicker than the hair around it is easy to spot, and a very dense piece can feel heavy and hot.
The fix: Match the fullness of your own hair as it is now. Lighter densities usually look more natural. Read how to choose hair system density.
4. Ignoring the base type
The mistake: Not knowing the difference between lace, skin, mono and hybrid.
Why it happens: Product pages mention the base, but beginners do not know what it means for daily life.
What it costs you: A very delicate base for a very active person wears out fast. A very tough base for someone who wants an invisible hairline can disappoint.
The fix: Learn what each base does for comfort, look and durability before you buy, and match it to your routine. See hair system base types explained.
5. Buying on price alone
The mistake: Choosing the cheapest option without checking what it includes.
Why it happens: Price is the easiest number to compare.
What it costs you: A low sticker price can hide extra shipping, customs fees, a weaker base or vague product details. It may also be the wrong size for you.
The fix: Compare the base, hair type, size and what the price covers, including shipping and customs. Think in terms of cost per month of wear. See men's hair system cost and hair topper cost.
6. Not planning for upkeep
The mistake: Forgetting tape, remover, shampoo, conditioner and replacement.
Why it happens: The product price is clear, but the running costs are not shown on the product page.
What it costs you: Unplanned expenses and a system that looks worse because it is not cared for properly.
The fix: Budget for supplies and for eventual replacement, and learn the care routine before the system arrives. See how long a hair system lasts, how to care for a hair system and hair system adhesives and tapes.
7. Skipping the second opinion
The mistake: Ordering without asking anyone.
Why it happens: Many buyers feel shy about their hair loss, or assume the seller only wants to sell.
What it costs you: Small mistakes that an experienced person would spot in seconds: a hairline that is too low, a color that is too dark, a size that is too small.
The fix: Send photos and measurements to the seller before you pay. We are glad to help through the contact page or on WhatsApp at +1 647 231 5266. There is no pressure to buy.
8. Cutting or styling too soon
The mistake: Trimming or coloring the system on day one.
Why it happens: People are excited, and they want the final look right away.
What it costs you: Hair cannot be added back. If you cut before you are sure about the fit, you may not be able to fix a problem later, and a returned item may no longer be accepted.
The fix: Do a dry fit first, make small changes only after you are sure about the fit, and ask a stylist who knows hair systems. See how to order a hair system online for the full first-wear steps.
9. Not reading the policies
The mistake: Not checking returns, custom order terms and shipping.
Why it happens: Policies are long, and few people read them before buying.
What it costs you: Surprises about what can be returned, how long delivery takes or what is included in the price.
The fix: Read the return policy and shipping policy. Standard orders can be returned within 30 days, while custom orders cannot.
A quick checklist to avoid every mistake
| Before you pay | Done |
|---|---|
| Measured twice | ☐ |
| Matched color in daylight | ☐ |
| Chose realistic density | ☐ |
| Understood the base | ☐ |
| Compared total price | ☐ |
| Planned upkeep costs | ☐ |
| Asked for a second opinion | ☐ |
| Read the policies | ☐ |
Which mistakes are the most expensive?
Wrong size on a custom order is the most expensive, because custom orders cannot be returned. Wrong color and wrong density are next, because they affect how natural the system looks every day. Skipping upkeep planning is the most common slow-burning mistake. If you only fix three things, fix size, color and density.
What if you have already made one of these mistakes?
Do not panic. Many problems can be fixed, and the sooner you ask, the more options you have. If your standard order arrived and is wrong, contact us within the 30-day return window with photos. If the color is slightly off, a stylist can sometimes blend it. If the density is too high, a stylist can thin it. If the size is wrong, tell us before you cut or attach anything. Keep the original packaging until you are sure.
For the full ordering process, see how to order a hair system online. For common false beliefs that lead to wrong choices, see hair system myths, and for checks on the product itself, read how to tell if a hair system is good quality.
Hair system buying mistakes: frequently asked questions
What mistakes do first-time hair system buyers make?
Wrong size, color or density, ignoring upkeep, buying on price alone, skipping a second opinion, styling too soon and not reading policies.
How do I avoid ordering the wrong size?
Measure twice and send photos for a second opinion.
Is the cheapest system a mistake?
Not always, but compare what the price includes before deciding.
Should I cut my hair system right away?
No. Do a dry fit first and make small changes later.
Can I return a mistake?
Standard orders can be returned within 30 days. Custom orders cannot.
Where can I get help?
Message us on WhatsApp at +1 647 231 5266 or use the contact page.
Ready to choose with confidence?
Browse the Biro Hair Replacement store or contact us for advice.
About the author: Written by the Biro Hair Replacement team, the online store of Biro Hair Studio in North York, Toronto.