Evidence supporting the use of: Vitamin C
For the health condition: Acne
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Vitamin C (ascorbic acid) has some scientific support for use in acne management, though the evidence is not robust. Its primary mechanisms of action in acne are related to its antioxidant, anti-inflammatory, and skin-healing properties. Oxidative stress and inflammation play roles in acne pathogenesis, and vitamin C can reduce oxidative damage by neutralizing free radicals. It also inhibits NF-κB, a key regulator of inflammation, which may help reduce redness and swelling in acne lesions.
Topical vitamin C may help lighten post-inflammatory hyperpigmentation (PIH) that often follows acne, by inhibiting melanin synthesis. Clinical studies have shown that topical vitamin C serums can improve skin tone and reduce PIH, though its direct effect on active acne lesions is less clear. Some small studies have also indicated that topical vitamin C, alone or in combination with other agents (such as niacinamide or zinc), may reduce the number and severity of acne lesions, but these studies are limited in size and quality.
Oral vitamin C supplementation is not well-supported for acne treatment, as there is little evidence it meaningfully impacts acne development or severity. Topical formulations are generally considered safe and may serve as an adjunct to established acne therapies but should not replace first-line treatments like retinoids or benzoyl peroxide. In summary, while there is some scientific rationale and preliminary evidence for vitamin C use in acne (especially for PIH), large, high-quality clinical trials are lacking, and its efficacy for active acne remains modest.
Other ingredients used for Acne
15,16-Dihydrotanshinone IAbrus
Ajoene
Allantoin
Allicin
Aloe vera
Alpha hydroxy acids
alpha-pinene
alpha-terpineol
andrographolide
Anemarrhena
anemarrhena asphodeloides
apple cider vinegar
argan nut oil
ash
Asteraceae
azelaic acid
babchi
banyan
Baphicacanthus cusia
Bassia scoparia
bee products
bee propolis
berberine
Bidens pilosa
black cumin
black seed
blackboard tree
burdock
bасора
Calendula
cannabichromene
cannabigerol
Cannabis sativa oil
carvacrol
caryophyllene
castile soap
Centipeda
chamomile
chinatree
Chinese raisintree
chlorophyllin
chrysanthemum
Clerodendrum indicum
coconut
copaiba oil
cucumber
Curcuma
curcumen
curcumin
Curcuminoid
Dianthus
DIM (diindolylmethane)
Eclipta
epigallocatechin gallate (EGCG)
essential oil blend
estrogen
ethyl linoleate
eugenol
evening primrose oil
evening primrose oil
fatty acids
fulvic acid
gallic acid
garlic bulb
Glabridin
glyceryl monolaurate
Glycolic acid
green tea
heal-all
hemp
hemp oil
henna
herbal blend (proprietary)
Himalaya berry
honey
honeysuckle
Hydrocolloid
Immortelle
Indian fagonia
indigo leaves
Isatis
jojoba oil
Kigelia africana
Kokilaksha
L-cystine
Labdanum
lactic acid
Lactobacillus
Lactobacillus acidophilus
Lactobacillus casei
Lactobacillus plantarum
Lactobacillus reuteri
Lactobacillus rhamnosus
Lactoperoxidase
lauric acid
lavender
licorice root
Litsea
Mahonia
mangostin
Marking Nut Tree
melaleuca alternifolia
Melia
Momordica
Monolaurin
Monoterpenes
Morinda
Neem tree
Niacinamide (vitamin B3)
Nigella seed
omega-3 fatty acids
omega-6 fatty acids
oregon grape
oriental arborvitae
paederia foetida
Pansit-pansitan
pantothenic acid (vitamin B5)
Pentacyclic triterpenoids
Peptides
phenolic compounds
phlorotannins
probiotics
Propolis
scrophularia root
seaweed
Self-Heal
Sesquiterpenes
shen-chu
Shikonin
Smoketree
Soapberry
Sophora
Sphaeranthus indicus
Stellaria dichotoma
Tagetes
Tea Tree Oil
Terpenoids
Terpinen-4-ol
thyme
Thymol
Thymoquinone
Tinospora cordifolia
trace minerals
Triterpenes
turmeric
Viola
Violet
vitamin A
vitamin B
vitamin C
vitamin D
vitamin E
White Tea
Witch Hazel
Wrightia tinctoria
Xanthorrhizol
Zinc
Other health conditions supported by vitamin C
Acquired Immune Deficiency SyndromeAddictions (general remedies for)
Addison's Disease
Age Spots
Aging (prevention)
Alcoholism
Allergies (food)
Allergies (respiratory)
Anal Fistula or Fissure
Anemia
Antibiotics (alternatives to)
Antibiotics (side effects of)
Arteriosclerosis
Asthma
Athletic and Exercise Aids
Autism
Autoimmune Disorders
Bites and Stings
Bladder Infection
Bleeding (external)
Bleeding (internal)
Blood Poisoning
Boils
Bronchitis
Bruises (healing)
Bruises (prevention)
Burns and Scalds
Capillary Weakness
Cartilage Damage
Cataracts
Cervical Dysplasia
Chemical Poisoning
Chemotherapy (reducing side effects)
Chicken Pox
Cholesterol (high)
Chronic Obstructive Pulmonary Disorder
Cold Sores
Colds (antiviral)
Colds (decongestant)
Colds (general)
Colds (prevention)
Colds (with fever)
Colon (atonic)
Congestion
Congestion (bronchial)
Congestion (lungs)
Congestion (sinus)
Conjunctivitis
Contagious Diseases
Convalescence
Copper Toxicity
Cough (dry)
Cough (general)
Cuts
Cystic Breast Disease
Cystic Fibrosis
Debility
Dementia
Denture Sores
Depression
Diabetes
Diabetic Retinopathy
Environmental Pollution
Epstein Barr Virus
Eye Problems
Eyesight (poor)
Fatigue
Fatty Liver Disease
Free Radical Damage
Gall Stones
Gastritis
Gingivitis
Glaucoma
Gonorrhea
Gout
Hair (loss or thinning)
Hair Care (general)
Heart (weakness)
Heavy Metal Poisoning
Hemorrhoids
Hepatitis
Herpes
Hot Flashes
Hypertension
Infection
Infection (bacterial)
Infection (viral)
Infertility
Inflammation
Inflammatory Bowel Disorders
Influenza
Injuries
Knees (weak)
Laryngitis
Lead Poisoning
Lesions
Leucorrhea
Leukemia
Ligaments (torn or injured)
Liver Detoxification
Lyme Disease
Macular Degeneration
Mastitis
Measles
Memory and Brain Function
Menorrhagia
Menstrual Irregularity
Menstruation (scant)
Metabolic Syndrome
Mononucleosis
Mumps
Nose Bleeds
Oral Surgery
Osteoporosis
Pancreatitis
PMS (general)
PMS Type C
PMS Type H
Pneumonia
Post Partum Weakness
Pregnancy (herbs and supplements for)
Progesterone (low)
Prolapsed Uterus
Prostatitis
Radiation Sickness
Rashes and Hives
Restless Leg Syndrome
Rheumatoid Arthritis
Rhinitis
Rhinitis, Allergic
Rosacea
Scars / Scar Tissue
Schizophrenia
Scratches and Abrasions
Scurvy
Shingles
Shock
Sinus Infection
Skin (infections)
Skin Care (general)
Sore Throat
Spider Veins
Spinal Disks
Sprains
Strep Throat
Stretch Marks
Sunburn
Surgery (healing from)
Surgery (preparation for)
Teeth (loose)
Tendonitis
Thrush
Tickle in Throat
Tonsillitis
Tooth Extraction
Toxemia
Triglycerides (high)
Tuberculosis
Ulcerations (external)
Ulcers
Uric Acid Retention
Urinary Tract Infections
Vaginitis
Varicose Veins
Warts
Wounds and Sores
Wrinkles
Adrenal Fatigue
Abrasions
Acne
Abscesses
Bell's Palsy
Cancer Treatment (reducing side effects)
Carbuncles
Alzheimer's Disease
Anxiety
Arthritis
Cancer (natural therapy for)
Cancer (prevention)
Canker Sores
Cardiovascular Disease
Products containing vitamin C
Nature's Sunshine Love and Peas (Sugar Free Original Formula)
Nature's Sunshine Adrenal Support
Nature's Sunshine Bowel Detox
Nature's Sunshine Children's Elderberry Immune
Nature's Sunshine Children's MultiVitamin & Mineral
Nature's Sunshine Cortisol Formula (Nature's Cortisol Formula)
Nature's Sunshine Defense Maintenance
Nature's Sunshine Detox Basics
Nature's Sunshine Dieter's Cleanse
Nature's Sunshine Glandular System
Nature's Sunshine Grapine With Protectors (SynerPro)
Nature's Sunshine Hepatic System
Nature's Sunshine Iron (Chelated)
Nature's Sunshine Love and Peas (Sugar Free) NEW!
Nature's Sunshine Love and Peas
Nature's Sunshine Marine Collagen
Nature's Sunshine Marine Glo Collagen
Nature's Sunshine Master Gland Formula®
Nature's Sunshine Mega-Chel
Nature's Sunshine Milk Thistle Combination
Nature's Sunshine MultiVitamin & Mineral (SynerPro)
Nature's Sunshine MultiVitamin & Mineral (Time Release)
Nature's Sunshine Natural Changes
Nature's Sunshine Nature's Prenatal
Nature's Sunshine Nature's Harvest
Nature's Sunshine Nervous System (30 Day Program)
Nature's Sunshine Nutri-Calm
Nature's Sunshine Nutri-Calm
Nature's Sunshine Perfect Eyes
Nature's Sunshine Power Beets Pouch
Nature's Sunshine Power Beets To-Go Packs
Nature's Sunshine Power Greens Pouch
Nature's Sunshine Power Greens To-Go
Nature's Sunshine Skeletal Strength
Nature's Sunshine Solstic Twenty-Four
Nature's Sunshine Solstic Immune
Nature's Sunshine Solstic Revive
Nature's Sunshine Structural System (30 Day Program)
Nature's Sunshine Super Supplemental
Nature's Sunshine Super Supplemental (Without Iron)
Nature's Sunshine Super Trio
Nature's Sunshine Vari-Gone
Nature's Sunshine Vitamin C (1000 mg, Time Release)
Nature's Sunshine Vitamin C (1000 mg, Time Release)
Nature's Sunshine Vitamin C Ascorbates
Nature's Sunshine Chewable Vitamin C
Nature's Sunshine Citrus Bioflavonoids (Vitamin C)
Nature's Sunshine Zinc Lozenge
