MT Barber study materials
MT Barber study resources

Warfarin, a Wedding, and a Straight-Razor Request

MT Barber · Put your knowledge to work in context.

All case studies

Warfarin, a Wedding, and a Straight-Razor Request

A 61-year-old man takes warfarin for atrial fibrillation (INR checked yesterday at 2.8) and low-dose aspirin. He took his warfarin dose last night and has a small nick on the neck from his own razor this morning. He wants a traditional hot-towel straight-razor shave, a sharp beard outline, and a close neck shave for his daughter's wedding in three hours. He has pseudofolliculitis barbae on the neck with several ingrown hairs and one small pustule, and a raised seborrheic keratosis on the right jaw. He says he has had straight-razor shaves before 'with no problem' and does not want clippers because they 'leave stubble.' The shop's straight razors are sterilized in an autoclave with a current negative spore test; disposable blades are available.

1. Do you perform the straight-razor shave? Give a risk-based decision and the factors you weighed.

Read the worked answer

Do not perform the full straight-razor shave. The autoclave status lowers infection risk from the tool, but it does not change the client's bleeding risk.

Factors weighing against it:

  • Warfarin plus aspirin increases bleeding tendency. An INR of 2.8 may be therapeutic for his heart condition, but it still means a nick can bleed longer than expected.
  • A fresh nick this morning shows the skin is already broken.
  • A pustule and ingrown hairs mean the neck is inflamed and potentially infected; a straight razor can spread bacteria and create more ingrown hairs.
  • A raised seborrheic keratosis can be caught and torn.
  • Three hours until a wedding leaves little time to manage a bleed or irritation.

A prior shave without a problem does not guarantee this one will be safe. Document the refusal and the reason, and offer an alternative rather than simply turning him away.

2. Design an alternative service that meets as much of the client's goal as is safe, including tools and technique.

Read the worked answer

Offer a trimmer shave and a crisp outline, not a razor-close shave.

  • Use a fresh disposable blade or a properly disinfected trimmer with a guard. Work with the grain, not against it, especially on the neck.
  • Keep the blade away from the pustule and the seborrheic keratosis. Trim around them rather than over them.
  • Use a cool towel instead of a hot towel on the inflamed neck. Heat increases blood flow and redness.
  • Outline the beard with a trimmer or liner using light pressure. Do not stretch and scrape the skin.
  • Set the expectation honestly: he will have light stubble, but the outline will look clean and the skin is less likely to bleed.

If he refuses the alternative, decline the straight-razor service. The shop is not obligated to perform a service it judges unsafe.

3. What aftercare and documentation do you provide, and what do you say if he insists?

Read the worked answer

Aftercare: advise him to avoid alcohol-based aftershaves, harsh astringents, and tight collars for the rest of the day. Use a mild moisturizer and cool compresses if the neck feels hot. Do not pick ingrown hairs. If bleeding starts, apply pressure; if it does not stop, or if the pustule spreads, he should seek medical care. Avoid sun exposure on the freshly trimmed area.

Documentation: record the medications he reported, the INR, the pustule and keratosis, the service you recommended, the service you declined, and his response. Have him sign an informed-refusal or acknowledgment form if your shop uses one.

If he insists: say, 'I can give you a clean trimmer shave and outline, but I will not use a straight razor on skin that is already broken and on a blood thinner.' Do not argue about his medication or call his doctor in front of him. Be firm, brief, and offer the safe alternative. If he becomes abusive, end the conversation and involve the manager.