1. Genetics rule (hormones, skin type etc
)
2. SPF (majority of skin damage done as a child, genetics will kick in when older
) Wear it.
3. Cleanse (cheap n cheerful
)
4. Slow n steady with the acids,oids and oins
(see point 2) Retinol<Retinal<Retinoic acid (Tretinoin*)
5. Vitamin C is clear (not yellow). Do not buy anything that says it is unless it's in dark bottle and has ferrulic acid (stabiliser) in it. It's the most unstable molecule so don't waste your money, unless it's fresh (less than 2 weeks).