Safety
Treatment safety by condition
Two questions, answered for every treatment we cover: is it safe for you, and is it one of the ones that actively helps. Start from your condition, or from the kind of treatment you are considering.
Start from you
By condition
Pregnancy & Breastfeeding
1 pageHeart & circulation
26 pages- AnaemiaAnaemiaCovered stage by stage
- AnginaAngina pectorisCovered stage by stage
- AngioedemaAngioedemaCovered stage by stage
- Blood clot in the leg (DVT)Deep vein thrombosisCovered stage by stage
- Brain haemorrhage (bleed on the brain)Intracranial haemorrhageCovered stage by stage
- Heart attackMyocardial infarctionCovered stage by stage
- High blood pressure (hypertension)HypertensionCovered stage by stage
- StrokeCerebrovascular accidentCovered stage by stage
- Blood thinners (anticoagulants)Anticoagulant and antiplatelet therapy
- Broken capillaries (telangiectasia)Telangiectasia
- Cholesterol deposits in the skin (xanthoma)Xanthoma / xanthelasma
- Congenital heart diseaseCongenital heart disease
- Dizziness on standing (postural hypotension)Postural (orthostatic) hypotension
- Heart failureChronic heart failure
- High cholesterol (hyperlipidaemia)Hyperlipidaemia
- Implantable defibrillator (ICD)Implantable cardioverter defibrillator
- Inflamed vein (phlebitis)Phlebitis / superficial thrombophlebitis
- Irregular heartbeat (atrial fibrillation)Atrial fibrillation
- Lymphoedema (long-term swelling)Lymphoedema
- Narrowed arteries (atherosclerosis)Arteriosclerosis / atherosclerosis
- PacemakerCardiac pacemaker
- Raynaud's (fingers that go white in the cold)Raynaud's phenomenon
- Splinter haemorrhage (red-brown lines under the nail)Splinter haemorrhage
- Swelling from fluid (oedema)Oedema
- Varicose veinsVaricose veins
- Venous lake (soft blue spot on the lip)Venous lake
Skin conditions
50 pages- AcneAcne vulgarisCovered stage by stage
- EczemaAtopic eczema (atopic dermatitis)Covered stage by stage
- RosaceaCovered stage by stage
- Stretch marksStriaeCovered stage by stage
- A mole that is changingAtypical or changing pigmented lesion
- A new tattoo
- Acne scarsAtrophic acne scarring
- An open wound or broken skin
- Cherry angiomasCherry angiomas (Campbell de Morgan spots)
- Cold soreHerpes simplex virus type 1 (HSV-1)
- Combination skin
- Contact dermatitisAllergic or irritant contact dermatitis
- Dark marks left by spots or injuryPost-inflammatory hyperpigmentation (PIH)
- Dehydrated skin
- Drug rashDrug eruption
- Dry skinXerosis
- Excessive sweatingPrimary focal hyperhidrosis
- FolliculitisFolliculitis
- HaemangiomaInfantile haemangioma
- Heat rashMiliaria
- Hidradenitis suppurativaHidradenitis suppurativa (acne inversa)
- HivesAcute urticaria
- Keloid scarsKeloids
- Keloid-prone skin
- Light-sensitive skinPhotosensitivity
- Mature skin
- MelasmaMelasma (chloasma)
- MiliaMilia
- MolesMelanocytic naevi
- Oily skinSeborrhoea
- Perioral dermatitisPerioral (periorificial) dermatitis
- Port wine stainCapillary malformation (port wine stain)
- PsoriasisPlaque psoriasis
- Raised scarsHypertrophic scars
- Recent chemical peel
- Recent laser treatment
- RhinophymaPhymatous rosacea (rhinophyma)
- Sebaceous hyperplasiaSebaceous hyperplasia
- Seborrhoeic dermatitisSeborrhoeic dermatitis
- Seborrhoeic keratosesSeborrhoeic keratosis
- Sensitive skin
- Skin tagsAcrochordons
- Skin writingDermatographism (dermographism)
- Spider naeviSpider angioma (spider naevus)
- Sun allergy rashPolymorphic light eruption (PLE)
- Sun spotsSolar lentigines
- Sun-damage patchesActinic (solar) keratosis
- Sunburn
- Taking isotretinoinIsotretinoin (Roaccutane) therapy
- VitiligoVitiligo
Cancer & cancer treatment
17 pages- Breast cancerCovered stage by stage
- ChemotherapyCytotoxic chemotherapyCovered stage by stage
- MelanomaMalignant melanomaCovered stage by stage
- Skin cancerCovered stage by stage
- Acral melanomaAcral lentiginous melanoma
- Brain tumour
- Cancer survivorLong-term remission
- Cancer-related fatigueCancer-related fatigue and cachexia
- Dark stripe under a nailSuspected subungual melanoma (longitudinal melanonychia)
- Hormone therapy after breast cancerTamoxifen and aromatase inhibitors
- ImmunotherapyCheckpoint inhibitor immunotherapy
- Kaposi's sarcomaKaposi sarcoma
- Leukaemia
- Lung cancer
- LymphomaHodgkin and non-Hodgkin lymphoma
- Mycosis fungoidesCutaneous T-cell lymphoma
- RadiotherapyRadiation therapy
Infections & contagious conditions
50 pages- Conjunctivitis (pink eye)Infective conjunctivitisCovered stage by stage
- Tuberculosis (TB)Mycobacterium tuberculosis infectionCovered stage by stage
- Athlete's footTinea pedis
- Beard ringwormTinea barbae
- Bed bug bitesCimicosis
- Body licePediculosis corporis
- BoilsFuruncles and carbuncles
- BronchitisAcute bronchitis
- COVID-19SARS-CoV-2 infection
- Cellulitis
- ChickenpoxVaricella
- Chlamydia
- Common coldAcute viral rhinitis
- Demodex mitesDemodex folliculorum
- Erysipelas
- Eye herpesOcular herpes simplex (herpes keratitis)
- Facial ringwormTinea faciei
- FluInfluenza
- Genital wartsAnogenital warts (HPV)
- Gonorrhoea
- Green nailGreen nail syndrome (Pseudomonas)
- HIVHuman immunodeficiency virus
- Head licePediculosis capitis
- Hepatitis B
- Hepatitis C
- Impetigo
- Infected nail foldAcute paronychia
- Jock itchTinea cruris
- MRSAMeticillin-resistant Staphylococcus aureus
- MeaslesMorbillivirus infection
- Meningitis
- MolluscumMolluscum contagiosum
- MpoxMonkeypox (mpox)
- Mumps
- Nail fungusOnychomycosis
- Pityriasis versicolorTinea versicolor
- Pneumonia
- Pubic licePediculosis pubis
- RingwormTinea corporis
- RubellaGerman measles
- ScabiesSarcoptes scabiei infestation
- Scalp ringwormTinea capitis
- ShinglesHerpes zoster
- Skin thrushCutaneous candidiasis
- Strep throatGroup A streptococcal pharyngitis
- StyeHordeolum
- Syphilis
- Tummy bugGastroenteritis
- VerrucasPlantar warts
- WartsCommon warts (verruca vulgaris)
Autoimmune & inflammatory conditions
29 pages- LupusSystemic lupus erythematosus (SLE)Covered stage by stage
- Addison's diseasePrimary adrenal insufficiency
- Alopecia areataAlopecia areata
- Ankylosing spondylitisAxial spondyloarthritis
- Autoimmune disease in remission, off medicationAutoimmune disease in remission on no or minimal medication
- Behçet's diseaseBehçet's syndrome
- Broken capillaries from steroid useSteroid-induced telangiectasia
- Bullous pemphigoidBullous pemphigoid
- Crohn's diseaseCrohn's disease
- Dermatitis herpetiformisDermatitis herpetiformis
- DermatomyositisDermatomyositis
- Discoid lupusDiscoid lupus erythematosus (DLE)
- Granuloma annulareGranuloma annulare
- Graves' diseaseGraves' disease (autoimmune overactive thyroid)
- Guillain-Barré syndromeGuillain-Barré syndrome, recovered
- Juvenile arthritisJuvenile idiopathic arthritis (JIA)
- Lichen planopilarisLichen planopilaris
- Multiple sclerosisMultiple sclerosis (MS)
- Myasthenia gravisMyasthenia gravis (MG)
- PemphigusPemphigus vulgaris
- Psoriatic arthritisPsoriatic arthritis (PsA)
- Rheumatoid arthritisRheumatoid arthritis (RA)
- SarcoidosisSarcoidosis
- SclerodermaSystemic sclerosis
- Sjögren's syndromeSjögren's disease
- Subacute cutaneous lupusSubacute cutaneous lupus erythematosus (SCLE)
- Type 1 diabetesType 1 diabetes mellitus
- Ulcerative colitisUlcerative colitis
- VasculitisSystemic vasculitis
Eye conditions
20 pages- BlepharitisCovered stage by stage
- Dry eyeDry eye diseaseCovered stage by stage
- Blocked eyelid oil glandsMeibomian gland dysfunction (MGD)
- Contact lens wearer
- Droopy eyelidPtosis
- Eye allergyAllergic conjunctivitis
- Eyelash pullingTrichotillomania (lashes)
- Eyelid cystChalazion
- Glaucoma
- Ingrown eyelashesTrichiasis
- Lash and brow loss after chemotherapy (madarosis), 6+ months onMadarosis (after chemotherapy), recovered
- Lash glue allergyCyanoacrylate allergy
- Raised eye pressureOcular hypertension
- Recent cataract surgery
- Recent eyelid surgeryBlepharoplasty
- Recent laser eye surgeryLASIK or other refractive surgery
- Recent retinal surgery
- Severe short-sightednessHigh-grade myopia
- Turned-out or turned-in eyelidEctropion and entropion
- Watery eyeEpiphora
Nail conditions
27 pages- Nail biting (onychophagy)OnychophagyCovered stage by stage
- Beau's lines (deep grooves across the nail)Beau's lines
- Brittle nailsBrittle nail syndrome
- Bruised nail (subungual haematoma)Subungual haematoma
- Chronic hangnailsChronic hangnails
- Clubbed fingers (digital clubbing)Digital clubbing
- Dark stripe down the nail (longitudinal melanonychia)Longitudinal melanonychia
- Grooves across the nail (transverse grooves)Transverse grooves
- Habit-tic nail dents (median nail dystrophy)Median nail dystrophy
- Half-and-half nails (Lindsay's nails)Lindsay's nails
- Healthy nails
- Ingrown toenailOnychocryptosis
- Lengthwise ridges (longitudinal grooves)Longitudinal grooves
- Nail lifting off the nail bed (onycholysis)Onycholysis
- Nail pitting (small dents in the nail)Nail pitting
- Nail shedding (onychomadesis)Onychomadesis
- Paired white bands (Muehrcke's lines)Muehrcke's lines
- Pincer nails (nails that curl inwards)Pincer nail deformity
- Racquet nails (short, wide thumbnails)Racquet nails
- Ridged nails (onychorrhexis)Onychorrhexis
- Skin growing into the nail (nail pterygium)True nail pterygium
- Splitting, peeling nails (onychoschizia)Onychoschizia
- Spoon nails (koilonychia)Koilonychia
- Terry's nails (white nails with a dark band at the tip)Terry's nails
- White bands across the nails (Mees' lines)Mees' lines
- White spots on the nails (leukonychia)Leukonychia
- Yellow nail syndromeYellow nail syndrome
General health conditions
43 pages- Chronic kidney disease (CKD)Chronic kidney diseaseCovered stage by stage
- Eating disordersEating disordersCovered stage by stage
- Overactive thyroid (hyperthyroidism)HyperthyroidismCovered stage by stage
- Type 2 diabetesType 2 diabetes mellitusCovered stage by stage
- A high temperature (fever)Pyrexia (fever)
- ADHD and autismADHD and autism spectrum condition (ASD)
- Acid reflux (GERD)Gastro-oesophageal reflux disease
- Alcohol intoxicationAcute alcohol intoxication
- AnxietyAnxiety disorders
- AsthmaAsthma
- Bipolar disorderBipolar affective disorder
- COPD (long-term lung disease)Chronic obstructive pulmonary disease
- Chronic fatigue syndrome (ME/CFS)Myalgic encephalomyelitis / chronic fatigue syndrome
- Coeliac diseaseCoeliac disease
- Cushing's syndrome (steroid excess)Cushing's syndrome
- Dementia and Alzheimer's diseaseDementia, including Alzheimer's disease
- DepressionDepression (major depressive disorder)
- DialysisHaemodialysis or peritoneal dialysis
- EpilepsyEpilepsy
- FibromyalgiaFibromyalgia
- Food allergiesIgE-mediated food allergy
- Fragrance allergyFragrance contact allergy
- Hashimoto's thyroiditisHashimoto's thyroiditis (autoimmune underactive thyroid)
- Hay fever and seasonal allergiesSeasonal allergic rhinitis
- Irritable bowel syndrome (IBS)Irritable bowel syndrome
- Latex allergyNatural rubber latex allergy
- Liver cirrhosis (advanced liver scarring)Liver cirrhosis
- Long-term (chronic) painChronic pain
- Long-term back painChronic back pain
- Menopause and perimenopauseMenopause and perimenopause
- Metabolic syndromeMetabolic syndrome
- MigraineMigraine, including chronic migraine
- Nickel and metal allergyNickel contact allergy
- OCD and body dysmorphia (BDD)Obsessive-compulsive disorder and body dysmorphic disorder
- Osteoporosis (thinning bones)Osteoporosis
- PTSD and trauma historyPost-traumatic stress disorder
- Parkinson's diseaseParkinson's disease
- Photosensitive epilepsyPhotosensitive epilepsy
- Polycystic ovary syndrome (PCOS)Polycystic ovary syndrome
- Preservative allergyPreservative contact allergy (MI/MIT, formaldehyde releasers)
- Severe dehydrationSevere dehydration
- Sleep apnoeaObstructive sleep apnoea
- Underactive thyroid (hypothyroidism)Hypothyroidism
Rare conditions & special situations
21 pages- Beauty treatments in later life (75+)Covered stage by stage
- Disability and accessible beauty servicesCovered stage by stage
- After weight-loss surgery (loose skin)Post-bariatric surgery
- Beauty treatments at 16 to 18
- Cosmetic procedures under 18
- Ehlers-Danlos syndromes (EDS)Ehlers-Danlos syndromes
- End-of-life and palliative carePalliative care
- Hereditary angioedema (HAE)Hereditary angioedema
- Immunoglobulin (IVIG) infusionsIntravenous immunoglobulin therapy
- Mast cell activation syndrome (MCAS)Mast cell activation syndrome
- MastocytosisMastocytosis
- Plus-size clients and equipment that fits
- Porphyria (the light-sensitive types)Cutaneous porphyria
- Recent blood donation
- Recent cosmetic or plastic surgery
- Recent dental surgery
- Recent joint replacementArthroplasty
- Recent steroid (cortisone) injectionIntralesional or intra-articular corticosteroid injection
- Recent surgery (any operation)
- Recent vaccination
- Xeroderma pigmentosum (XP)Xeroderma pigmentosum
Start from the treatment
By treatment
The eight families every treatment on the site belongs to, with what each one involves.
- Facials25 treatmentsTreatments for the face, neck and décolletage — cleansing, exfoliation, hydration, and rejuvenation.
- Injectables11 treatmentsAesthetic procedures involving injection — neurotoxins, fillers, biostimulators, and other injected products.
- Laser & Light7 treatmentsTreatments using laser or intense pulsed light — for hair removal, pigmentation, vascular concerns, and resurfacing.
- Body Treatments15 treatmentsTreatments below the neck — massage, body shaping, wraps, and skin treatments.
- Hair Removal6 treatmentsNon-laser hair removal — waxing, sugaring, threading, electrolysis, and depilation.
- Nails10 treatmentsManicure, pedicure, gel, acrylic, and other nail services.
- Lashes & Brows8 treatmentsEyelash extensions, lash lifts, brow lamination, tinting, and shaping.
- Permanent Makeup (PMU)6 treatmentsSemi-permanent cosmetic tattooing — microblading, lip blush, eyeliner, and powder brows.
Written by Anna · London-trained cosmetologist
Last updated