Personal hygiene

Over a single hour of work your hands touch an enormous number of surfaces, and most of them are dirtier than they look. Your phone goes in and out of your pocket and has been handled all day. Door handles are touched by every person in the building. Raw meat, poultry and fish carry bacteria that cause food poisoning. Delivery packaging has travelled through warehouses and on pallets. Bins, trolleys, and pallet trucks are contaminated by design. Every one of those contacts leaves something on your hands, and then those same hands touch food. This is the chain that personal hygiene exists to break. It is worth noticing that none of this contamination is visible. Hands can look completely clean and still be carrying enough bacteria to make a customer seriously ill, which is why the rules are based on what you touched instead of on how your hands look to you.

Handwashing is the single most effective thing a food handler does, and it only works if it is done properly. Use warm water and soap and spend around twenty seconds on it. The time matters because soap needs contact time to lift bacteria and grease from the skin, and a two-second rinse under a cold tap removes very little. Coverage matters just as much as time. The four places people consistently miss are the backs of the hands, between the fingers, the thumbs, and under the fingernails, and those are exactly the places bacteria survive. Nails deserve particular attention because bacteria sit under them longest, which is also why nails are kept short and why nail varnish and false nails are not permitted in most food environments. Dry your hands properly afterwards, since wet hands transfer bacteria far more easily than dry ones, and use paper towel or a hand dryer instead of your apron or your trousers.

Twenty seconds is the part of handwashing that people get wrong, because it is far longer than it feels when you are busy. The sequence on this slide splits that time into five, starting with the palms and fingers, then the backs of the hands, then between the fingers, then the thumbs, and finally under the nails. Warm water and soap are what make it work, since a quick rinse under a cold tap removes almost nothing. Notice which areas the timer reached before you let go. A wash that stops at eight or ten seconds has usually covered the palms and made a start on the backs of the hands, and has not touched the three places where bacteria sit. Letting go resets the timer to zero on purpose, because a wash cannot be done in instalments across a shift.

Technique is only half of handwashing. The other half is knowing at which moments it is required, and the list is not negotiable. Wash after using the toilet, without exception. Wash after handling raw meat, poultry, or fish, and always before touching anything that is ready to eat. Wash after every break, after smoking, and after eating or drinking. Wash before you start handling food at all. The most useful way to hold all of this in your head is a single rule: if you have just switched from one job to another, wash your hands on the way to the next one. In production this maps onto the change from one process step to another and onto every entry back onto the line, which is why hand wash stations sit at line entrances and why some sites use turnstiles that will not release until a wash cycle has run.

All eight of the moments on this slide need a wash, and that is the whole point of the exercise. Coming back from the toilet, handling raw chicken, a cigarette break, checking your phone, taking out the bin, touching your hair or face, moving pallets and packaging, and going back to a ready-to-eat job. In every one of them your hands have picked up something the food should never meet, and in most of them nothing looks or feels dirty afterwards, which is exactly why they get skipped. Trying to remember a list under pressure does not work. The rule that does work is the one on the previous slide. If you have just switched from one job to another, wash your hands on the way. Handled that way you never have to decide, because the answer is always yes.

This scenario catches out a lot of experienced people, because it feels like the hands were already washed for this task. The point being tested is that handwashing is triggered by contact, not by tasks or by the clock. Two contacts happened after the wash. A phone is one of the most contaminated objects most people carry, since it goes everywhere with you and is rarely cleaned. A swing door handle is touched by every single person in the building, including people arriving from outside and from the toilet. Either one on its own is enough to recontaminate clean hands. The second thing that makes this serious is that the food is ready to eat. Cooking is what rescues most bacterial contamination, and a salad will never be cooked, so your hands are the final control before it reaches a customer. And the reason the third option is wrong is worth remembering on its own: contamination is invisible, so hands that look clean tell you nothing at all.

Your uniform, apron, and hat are not there to make the business look tidy. They are a physical barrier between your everyday clothes and the food. Think about where your outdoor clothes have been before your shift, on public transport, in your hallway, on the floor of a changing room, and possibly around pets. All of that carries bacteria and loose fibres that you do not want anywhere near what people eat. This is why you change into clean kit at work and not travelling in it, why aprons are removed when you go to the toilet or step outside on a break, and why you put on a fresh apron instead of one you wore yesterday. In production the same logic is scaled up into full changing procedures, hairnets and beard snoods, dedicated footwear, and hygiene barriers you cross on the way to a high care area, all for the same reason. Each layer stops what is on the outside from reaching the product.

Gloves are the most misunderstood item of protective equipment in food work, because they feel like safety in themselves. They are not. A glove is only ever as clean as the hand inside it, and a single pair worn across several jobs carries bacteria from one to the next exactly as an unwashed hand would. The rule that fixes almost every glove problem is to treat a gloved hand like a bare one. Wash your hands before you put gloves on, and again after you take them off. Change your gloves at the same moments you would stop to wash: moving between raw food and ready to eat food, switching from one task to another, and after you have touched your face, your hair, a bin, or your phone. Change them the instant one tears, and never wash a pair to reuse it, because they are single use. The setting changes only how this is organised, not what it is. In a kitchen you make the judgement yourself and change gloves between jobs. On a production line the change points are usually written into the process at set stages, and gloves are often colour coded by area so that the right pair is visibly in use. The discipline is identical in both, which is to change the glove whenever a bare hand would have needed washing.

Not every glove suits every job, and the material matters. Nitrile is the food safe default in most businesses, because it is strong, it stands up to fats and oils, and it carries no latex allergy risk. Vinyl and polyethylene gloves are lighter and looser, which makes them fine for short, low risk tasks such as brief service or handling bread, though they tear more easily. Latex is restricted or banned in many food businesses, because small amounts of the protein in it can transfer to food and trigger a serious reaction in someone with a latex allergy, so it is worth knowing why a site may not allow it. Colour matters too. Blue is the standard colour for food gloves for the same reason blue is used for dressings, since almost no food is naturally blue, a stray piece stands out instead of being served. On a production line this goes further, where blue detectable nitrile holds a trace that a metal detector will pick up, so a fragment that tears off is caught before the pack reaches a customer. However you use them, three habits make gloves work: put on the right size so they neither split nor slide off, check them for tears or holes before you start, and peel them off from the wrist without touching the outside, so that whatever is on the glove never ends up on your hands.

Both of these rules exist for two reasons at once, and once you see the pattern it is easy to remember. First, they trap or carry bacteria. A ring creates a warm space against the skin that soap and water never reach properly, so bacteria survive a wash underneath it. Hair carries bacteria from the scalp and from everywhere it has been. Second, they can end up in the food as a physical hazard. A stone can work loose from a ring, a watch strap can fail, and hair falls out constantly without anyone noticing. Most food businesses allow a plain wedding band at most, and many production sites allow no jewellery at all, including watches, earrings, and piercings, because they cannot risk a foreign body reaching a sealed product. Hair is tied back and fully covered with a hat or a net, and beards are covered where required, since hair is one of the most common physical complaints customers make.

A cut or a graze on your hand is an open route for bacteria to move into food, and it works in both directions, since food debris can also infect the wound. Any cut is covered before you handle food, and in a food business the dressing is blue, waterproof, and detectable. Each of those three words earns its place. Blue, because almost no food is naturally blue, so if the dressing comes off it stands out immediately against the food, the bench, or the line, and gets spotted instead of served. Detectable, because it contains a thin metal strip that a metal detector can pick up, so if it does end up inside a sealed product the detector on the line rejects that pack before it reaches a shop. Waterproof, because it needs to stay attached through washing and wet work, and because it keeps whatever is in the wound sealed away from the food. In many settings a coloured glove goes over the dressing as a second layer. Report the injury too, so it is recorded and so a supervisor can decide what work you should be doing.

You can wash your hands perfectly and still contaminate food seconds later through habits nobody thinks about. Touching your hair or your face and then going straight back to the food transfers bacteria from your skin and scalp directly onto what people eat. Tasting with your fingers, or with a spoon that then goes back into the pot, puts bacteria from your mouth into the whole batch, and it is why tasting is done with a clean utensil, once, that then goes to the wash. Coughing or sneezing over open food sprays droplets across it, so you turn away, cover it, and then wash your hands before you carry on. None of these feel significant in the moment, and that is exactly why they are dangerous. They are small, automatic, and invisible, and they are the precise seconds in which bacteria move from a person onto a plate or into a pack. Catching yourself doing one of them and going to wash your hands is not fussiness, it is the job being done properly.

The lesson in seven lines. Wash your hands properly, for around twenty seconds, covering the backs, between the fingers, the thumbs, and under the nails. Wash after the toilet, after raw meat, poultry and fish, after breaks, smoking and eating, and always before handling food, and treat every switch between jobs as a trigger. Treat your uniform as a barrier between your everyday clothes and the food. Remember that gloves never replace clean hands, so wash before you put them on, change them whenever a bare hand would need washing, and use each pair once. Take off rings and watches and tie back and cover your hair, because both trap bacteria and both can fall into food. Cover any cut with a blue, waterproof, detectable dressing. And watch the small habits, because touching your face, tasting with your fingers, and coughing over food are the exact moments that undo everything else you did right.

The Level 1 quiz is 20 questions in the same style as the one on this slide, drawn from everything taught across all seven Level 1 lessons. It uses multiple choice and multiple response questions and the pass mark is 80 percent. Nothing is tested that is not taught in the free lessons, so working through the lessons and reading these notes is the whole of the preparation. Each lesson maps to a single learning outcome, which means that if a question ever catches you out, you know exactly which lesson to go back to.

You have finished two of the seven Level 1 lessons, and every one of them stays free for as long as you need. When you are ready to turn what you know into something you can show an employer, the Level 1 quiz is the step that does it. Passing earns a certificate recognised by TrustBite, an independent food safety recognition body, and one payment covers the quiz and certificate for all three levels. Each certificate is valid for three years, with renewal at 5 euros. No registration is needed to keep learning, and you only pay when you decide you are ready to be tested. If you are training a team and not yourself, group options are available for both hospitality and production sites.